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From a population of only 4,000 or 5,000 in the 1940s, by the early 1960s, Acapulco had a population of about 50,000. In 1958, the Diocese of Acapulco was created by Pope Pius XII. It became an archdiocese in 1983. |
During the 1960s and 1970s, new hotel resorts were built, and accommodation and transport were made cheaper. It was no longer necessary to be a millionaire to spend a holiday in Acapulco; the foreign and Mexican middle class could now afford to travel here. However, as more hotels were built in the south part of the bay, the old hotels of the 1950s lost their grandeur. For the 1968 Summer Olympics in neighboring Mexico City, Acapulco hosted the sailing (then yachting) events. |
In the 1970s, there was a significant expansion of the port. |
The Miss Universe 1978 pageant took place in the city. In 1983, singer-songwriter Juan Gabriel wrote the song "Amor eterno", which pays homage to Acapulco. The song was first and most famously recorded by Rocío Dúrcal. Additionally, Acapulco is the hometown of actress, singer, and comedian Aída Pierce, who found fame during the 1980s, 1990s and the first decade of the 21st century. |
The tollway known as the "Ruta del Sol" was built during the 1990s, crossing the mountains between Mexico City and Acapulco. The journey takes only about three-and-a-half hours, making Acapulco a favorite weekend destination for Mexico City inhabitants. It was in that time period that the economic impact of Acapulco as a tourist destination increased positively, and as a result new types of services emerged, such as the Colegio Nautilus. This educational project, backed by the state government, was created for the families of local and foreign investors and businessmen living in Acapulco who were in need of a bilingual and international education for their children. |
The port continued to grow and in 1996, a new private company, API Acapulco, was created to manage operations. This consolidated operations and now Acapulco is the major port for car exports to the Pacific. |
The city was devastated by Hurricane Pauline in 1997. The storm stranded tourists and left more than 100 dead in the city. Most of the victims were from the shantytowns built on steep hillsides that surround the city. Other victims were swept away by thirty-foot (9 m) waves and winds. The main road, Avenida Costera, became a fast-moving river of sludge three feet (1 m) in depth. |
In the 21st century, the Mexican Drug War has had a negative effect on tourism in Acapulco as rival drug traffickers fight each other for the Guerrero coast route that brings drugs from South America as well as soldiers that have been fighting the cartels since 2006. |
A major gun battle between 18 gunmen and soldiers took place in the summer of 2009 in the Old Acapulco seaside area, lasting hours and killing 16 of the gunmen and two soldiers. This came after the 2009 swine flu pandemic outbreak earlier in the year nearly paralyzed the Mexican economy, forcing hotels to give discounts to bring tourists back. However, hotel occupancy for 2009 was down five percent from the year before. The death of Arturo Beltrán Leyva in December 2009 resulted in infighting among different groups within the Beltrán Leyva cartel. |
Gang violence continued to plague Acapulco through 2010 and into 2011, most notably with at least 15 dying in drug-related violence on March 13, 2010, and another 15 deaths on January 8, 2011. Among the first incident's dead were six members of the city police and the brother of an ex-mayor. In the second incident, the headless bodies of 15 young men were found dumped near the Plaza Sendero shopping center. On August 20, 2011, Mexican authorities reported that five headless bodies were found in Acapulco, three of which were placed in the city's main tourist area and two of which were cut into multiple pieces. |
On October 25, 2023, Hurricane Otis, a Category 5 hurricane with 1-minute sustained winds of , caused widespread devastation throughout the city while making landfall nearby. |
The city, located on the Pacific coast of Mexico in the state of Guerrero, is classified as one of the state's seven regions, dividing the rest of the Guerrero coast into the Costa Grande and the Costa Chica. Forty percent of the municipality is mountainous terrain; another forty percent is semi-flat; and the other twenty percent is flat. Elevation varies from sea level to . The highest peaks are "Potrero, San Nicolas", and "Alto Camarón". One major river runs through the municipality, the "Papagayo", along with a number of "arroyos" (streams). There are also two small lagoons, Tres Palos and Coyuca, along with a number of thermal springs. |
Acapulco features a tropical wet and dry climate (Köppen: Aw): hot with distinct wet and dry seasons, with more even temperatures between seasons than resorts farther north in Mexico, but this varies depending on altitude. The warmest areas are next to the sea where the city is. Pacific hurricanes and tropical storms are threats from May through November; notably, the city was struck directly by Category 5 Hurricane Otis on October 25, 2023, which caused extensive damage. The forested area tends to lose leaves during the winter dry season, with evergreen pines in the highest elevations. Fauna consists mostly of deer, small mammals, a wide variety of both land and seabirds, and marine animals such as turtles. Oddly enough, January, its coolest month, also features its all-time record high. |
The temperature of the sea is quite stable, with lows of between January – March, and a high of in August. |
As the seat of a municipality, the city of Acapulco is the government authority for over 700 other communities, which together have a territory of 1,880.60 km2. This municipality borders the municipalities of Chilpancingo, Juan R Escudero (Tierra Colorada), San Marcos, Coyuca de Benítez with the Pacific Ocean to the south. |
The metropolitan area is made up of the municipalities of Acapulco de Juárez and Coyuca de Benitez. The area has a population () of 786,830. |
For the names and terms of some Acapulco mayors, you can check a List of municipal presidents of Acapulco. |
Acapulco is the most populated city in the state of Guerrero, according to the results of the II Population and Housing Census 2010 carried out by the National Institute of Statistics and Geography (INEGI) with a census date of June 12, 2010, The city had until then a total population of 673,479 inhabitants, of that amount, 324,746 were men and 348,733 women. It is considered the twenty-second most populous city in Mexico and the tenth most populous metropolitan area in Mexico. It is also the city with the highest concentration of population of the homonymous municipality, representing 85.25 percent of the 789,971 inhabitants. In the 2020 census of 658,609 people where counted in the locality and 779,566 in the municipality of Acapulco, a small drop from the last census. |
The metropolitan area of Acapulco is made up of six towns in the municipality of Acapulco de Juárez and four in the municipality of Coyuca de Benítez. In agreement with the last count and official delimitation realized in 2010 altogether by the National Institute of Statistics and Geography, the National Council of Population and the Secretariat of Social Development, the metropolitan area of Acapulco grouped a total of 863,431 inhabitants in a surface of 3,538.5 km2, which placed it as the tenth most populated district in Mexico. |
Tourism is the main economic activity of the municipality and most of this is centered on Acapulco Bay. About seventy-three percent of the municipality's population is involved in commerce, most of it related to tourism and the port. Mining and manufacturing employ less than twenty percent and only about five percent is dedicated to agriculture. Industrial production is limited mostly to bottling, milk products, cement products, and ice and energy production. Agricultural products include tomatoes, corn, watermelon, beans, green chili peppers, and melons. |
Acapulco is one of Mexico's oldest coastal tourist destinations, reaching prominence in the 1950s as the place where Hollywood stars and millionaires vacationed on the beach in an exotic locale. In modern times, tourists in Acapulco have been facing problems with corrupt local police who steal money by extortion and intimidate visitors with threats of jail. |
The city is divided into three tourist areas. |
Traditional Acapulco is the old part of the port, where hotels like Hotel Los Flamingos, owned by personalities Johnny Weissmuller and John Wayne are located, is on the northern end of the bay. Anchored by attractions such as the beaches of Caleta and Caletilla, the cliff divers of La Quebrada, and the city square, known as "El Zocalo". The heyday of this part of Acapulco ran from the late 1930s until the 1960s, with development continuing through the 1980s. This older section of town now caters to a mostly middle-class, almost exclusively Mexican clientele, while the glitzier newer section caters to the Mexican upper classes, many of whom never venture into the older, traditional part of town. |
Acapulco Dorado had its development between the 1950s and the 1970s, and is about 25 minutes from the Acapulco International Airport. It is the area that presents the most tourist influx in the port, runs through much of the Acapulco bay, from Icacos, passing through Costera Miguel Aleman Avenue, which is the main one, to Papagayo Park. It has several hotels, |
Acapulco Diamante, also known as Punta Diamante, is the newest and most developed part of the port, with investment having created one of the greatest concentrations of luxury facilities in Mexico, including exclusive hotels and resorts of international chains, residential complexes, luxury condominiums and private villas, spas, restaurants, shopping areas and a golf course. Starting at the Scenic Highway in Las Brisas, it includes Puerto Marqués and Punta Diamante and extends to Barra Vieja Beach. It is 10 minutes from the Acapulco International Airport. In this area, all along "Boulevard de las Naciones", almost all transportation is by car, limousine or golf cart. |
Acapulco's reputation of a high-energy party town and the nightlife have long been draws of the city for tourists. From November to April, luxury liners stop here daily and include ships such as the , the , "Crystal Harmony", and all the Princess line ships. Despite Acapulco's international fame, most of its visitors are from central Mexico, especially the affluent from Mexico City. Acapulco is one of the embarkation ports for the Mexican cruise line Ocean Star Cruises. |
For the Christmas season of 2009, Acapulco received 470,000 visitors, most of whom are Mexican nationals, adding 785 million pesos to the economy. Eighty percent arrive by land and eighteen percent by air. The area has over 25,000 condominiums, most of which function as second homes for their Mexican owners. Acapulco is still popular with Mexican celebrities and the wealthy, such as Luis Miguel and Plácido Domingo, who maintain homes there. |
From the latter 20th century on, the city has also taken on other less-positive reputations. Some consider it a "passé" resort, eclipsed by the newer Cancún and Cabo San Lucas. Over the years, a number of problems have developed here, especially in the bay and the older sections of the city. The large number of wandering vendors on the beaches, who offer everything from newspapers to massages, are a recognized problem. It is a bother to tourists who simply want to relax on the beach, but the government says it is difficult to eradicate, as there is a lot of unemployment and poverty in the city. Around the city are many small shantytowns that cling to the mountainsides, populated by migrants who have come to the city looking for work. In the last decade, drug-related violence has caused massive problems for the local tourism trade. |
Another problem is the garbage that has accumulated in the bay. Although 60.65 tons have recently been extracted from the bays of Acapulco and nearby Zihuatanejo, more needs to be done. Most of trash removal during the off seasons is done on the beaches and in the waters closest to them. However, the center of the bay is not touched. The reason trash winds up in the bay is that it is common in the city to throw it in streets, rivers and the bay itself. The most common items cleaned out of the bay are beer bottles and car tires. Acapulco has seen some success in this area, having several beaches receiving the high "blue flag" certifications for cleanliness and water quality. |
Acapulco's cuisine is very rich. The following are typical dishes from the region: Relleno is baked pork with a variety of vegetables and fruits such as potatoes, raisins, carrots and chiles. It is eaten with bread called "bolillo". Pozole is a soup with a salsa base (it can be white, red or green), hominy, meat that can be either pork or chicken and it is accompanied with "antojitos" (snacks) like tostadas, tacos and tamales. This dish is served as part of a weekly Thursday event in the city and the state, with many restaurants offering the meal with special entertainment, from bands to dancers to celebrity impersonators. |
Acapulco's main attraction is its nightlife, as it has been for many decades. Nightclubs change names and owners frequently. |
For example, Baby 'O has been open to the national and international public since 1976 and different celebrities have visited their installations such as Mexican singer Luis Miguel, Bono from U2 and Sylvester Stallone. Another nightclub is Palladium, located in the Escénica Avenue, the location gives the nightclub a view of the Santa Lucia Bay at night. Various DJs have had performances in Palladium among them DVBBS, Tom Swoon, Nervo and Junkie KID. |
Informal lobby or poolside cocktail bars often offer free live entertainment. In addition, there is the beach bar zone, where younger crowds go. These are located along the Costera road, face the ocean and feature techno or alternative rock. Most are concentrated between the Fiesta Americana and Continental Plaza hotels. These places tend to open earlier and have more informal dress. There is a bungee jump in this area as well. |
Another attraction at Acapulco is the La Quebrada Cliff Divers. The tradition started in the 1930s when young men casually competed against each other to see who could dive from the highest point into the sea below. Eventually, locals began to ask for tips for those coming to see the men dive. Today the divers are professionals, diving from heights of into an inlet that is only wide and deep, after praying first at a shrine to the Virgin of Guadalupe. On the evening before December 12, the feast day of this Virgin, freestyle cliff divers jump into the sea to honor her. Dives range from the simple to the complicated and end with the "Ocean of Fire" when the sea is lit with gasoline, making a circle of flames which the diver aims for. The spectacle can be seen from a public area which charges a small fee or from the Hotel Plaza Las Glorias/El Mirador from its bar or restaurant terrace. |
There are a number of beaches in the Acapulco Bay and the immediate coastline. In the bay proper there are the La Angosta (in the Quebrada), Caleta, Caletilla, Dominguillo, Tlacopanocha, Hornos, Hornitos, Honda, Tamarindo, Condesa, Guitarrón, Icacos, Playuela, Playuelilla and Playa del Secreto. In the adjoining, smaller Bay of Puerto Marqués there is Pichilingue, Las Brisas, and Playa Roqueta. Facing open ocean just northwest of the bays is Pie de la Cuesta and southeast are Playa Revolcadero, Playa Aeromar, Playa Encantada and Barra Vieja. Two lagoons are in the area, Coyuca to the northwest of Acapulco Bay and Tres Palos to the southeast. Both lagoons have mangroves and offer boat tours. Tres Palos also has sea turtle nesting areas which are protected. |
In addition to sunbathing, the beaches around the bay offer a number of services, such as boat rentals, boat tours, horseback riding, scuba diving and other aquatic sports. One popular cruise is from Caletilla Beach to Roqueta Island, which has places to snorkel, have lunch, and a lighthouse. There is also an underwater statue of the Virgin of Guadalupe here, created in 1958 by Armando Quesado in memory of a group of divers who died here. Many of the scuba-diving tours come to this area as well, where there are sunken ships, sea mountains, and cave rock formations. Another popular activity is deep-sea fishing. The major attraction is sail fishing. Fish caught here have weighed between 89 and 200 pounds. Sailfish are so plentiful that boat captains have been known to bet with a potential customer that if he does not catch anything, the trip is free. |
The El Rollo Acapulco is a sea-life and aquatic park located on Costera Miguel Aleman. It offers wave pools, water slides and water toboggans. There are also dolphin shows daily and a swim with dolphins program. The center mostly caters to children. Another place that is popular with children is the "Parque Papagayo": a large family park which has a life-sized replica of a Spanish galleon, three artificial lakes, an aviary, a skating rink, rides, go-karts and more. |
The Dolores Olmedo House is located in the traditional downtown of Acapulco and is noted for the murals by Diego Rivera that adorn it. Olmedo and Rivera had been friend since Olmedo was a child and Rivera spent the last two years of his life here. During that time, he painted nearly nonstop and created the outside walls with tile mosaics, featuring Aztec deities such as Quetzalcoatl. The interior of the home is covered in murals. The home is not a museum, so only the outside murals can be seen by the public. |
There is a small museum called "Casa de la Máscara" (House of Masks) which is dedicated to masks, most of them from Mexico, but there are examples from many parts of the world. The collection contains about one thousand examples and is divided into seven rooms called Masks of the World, Mexico across History, The Huichols and the Jaguar, Alebrijes, Dances of Guerrero, Devils and Death, Identity and Fantasy, and Afro-Indian masks. |
The Botanical Garden of Acapulco is a tropical garden located on lands owned by the Universidad Loyola del Pacífico. Most of the plants here are native to the region, and many, such as the Peltogyne mexicana or purple stick tree, are in danger of extinction. |
One cultural event that is held yearly in Acapulco is the "Festival Internacional de la Nao", which takes place in the Fort of San Diego, located near the Zócalo in downtown of the city. The Festival honors the remembrance of the city's interaction and trades with Oriental territories which started back in the Sixteenth Century. The Nao Festival consists of cultural activities with the support of organizations and embassies from India, China, Japan, Philippines, Thailand, Indonesia and South Korea. The variety of events go from film projections, musical interpretations and theatre to gastronomical classes, some of the events are specifically for kids. |
The annual French Festival takes place throughout Acapulco city and offers a multitude of events that cement cultural links between Mexico and France. The main features are a fashion show and a gourmet food fair. The Cinépolis Galerías Diana and the Teatro Juan Ruíz de Alarcón present French and French literary figures who give talks on their specialised subjects. Even some of the local nightclubs feature French DJs. Other festivals celebrated here include Carnival, the feast of San Isidro Labrador on 15 May, and in November, a crafts and livestock fair called the Nao de China. |
There are a number of golf courses in Acapulco including the Acapulco Princess and the Pierre Marqués course, the latter designed by Robert Trent Jones in 1972 for the World Cup Golf Tournament. The Mayan Palace course was designed by Pedro Guericia and an economical course called the Club de Golf Acapulco is near the convention center. The most exclusive course is that of the Tres Vidas Golf Club, designed by Robert von Hagge. It is located next to the ocean and is home to flocks of ducks and other birds. |
Another famous sport tournament that has been held in Acapulco since 1993 is the Abierto Mexicano Telcel tennis tournament, an ATP 500 event that takes place in the tennis courts of the Princess Mundo Imperial, a resort located in the Diamante zone of Acapulco. Initially it was played in clay courts but it changed to hard court. The event has gained popularity within the passing of the years, attracting some of the top tennis players in the world including Novak Djokovic, Rafael Nadal and Marin Cilic. The total prize money is US$250,000.00 for WTA (women) and US$1,200,000.00 for ATP (men). |
Acapulco also has a bullring, called the Plaza de Toros, near Caletilla Beach. The season runs during the winter and is called the Fiesta Brava. |
Before 2010, over 100,000 American teenagers and young adults traveled to resort areas and balnearios throughout Mexico during spring break each year. The main reason students head to Mexico is the drinking age of 18 years (versus 21 for the United States), something that has been marketed by tour operators along with the sun and ocean. This has become attractive since the 1990s, especially since more traditional spring break places such as Daytona Beach, Florida, have enacted restrictions on drinking and other behaviors. This legislation has pushed spring break tourism to various parts of Mexico, with Acapulco as one of the top destinations. |
In the late 1990s and early 2000s, Cancún had been favored as the spring break destination of choice. However, Cancún has taken some steps to control the reckless behavior associated with the event, and students have been looking for someplace new. This led many more to choose Acapulco, in spite of the fact that for many travelers, the flight is longer and more expensive than to Cancún. Many were attracted by the glitzy hotels on the south side and Acapulco's famous nightlife. In 2008, 22,500 students came to Acapulco for spring break. Hotels did not get that many in 2009, due mostly to the economic situation in the United States, and partially because of scares of drug-related violence. |
In February 2009, the US State Department issued a travel alert directed at college students planning spring break trips to Acapulco. The warning—a result of violent activity springing from Mexico's drug cartel débâcle—took college campuses by storm, with some schools going so far as to warn their students about the risks of travel to Mexico over spring break. Bill O'Reilly devoted a segment of his show, "The O'Reilly Factor", to urge students to stay away from Acapulco. In June 2009, a number of incidents occurred between the drug cartel and the government. These included coordinated attacks on police headquarters and open battles in the streets, involving large-caliber weapons and grenades. However, no incidents of violence against travelers on spring break were reported. |
The bus system is highly complex and can be rather confusing to an outsider. As far as transportation goes, it is the cheapest form, other than walking, in Acapulco. The most expensive buses have air conditioning, while the cheaper buses do not. For tourists, the Acapulco city government has established a system of yellow buses with Acapulco painted on the side of them. These buses are not for tourists only, but are certainly the nicest and most uniform of the bus systems. These buses travel the tourist section of Acapulco, driving up and down the coast. There are buses with specific routes and destinations, generally written on their windshields or shouted out by a barker riding in the front seat. Perhaps the most unusual thing about the privately operated buses is the fact that they are all highly decorated and personalized, with decals and home-made interior designs that range from comic book scenes, to pornography, and even to "Hello Kitty" themes. |
The bus network was simplified on 25 June 2016 with the implementation of the . The bus rapid transit system spans , with 16 stations spread throughout the city of Acapulco along five routes. Boarding is sped by pre- payment at stations. |
UNESCO World Heritage Site nominations. |
In 2014, the idea to nominate the Manila-Acapulco Galleon Trade Route was initiated by the Mexican ambassador to UNESCO with the Filipino ambassador to UNESCO. |
An Experts' Roundtable Meeting was held at the University of Santo Tomas (UST) on April 23, 2015, as part of the preparation of the Philippines for the possible transnational nomination of the Manila-Acapulco Galleon Trade Route to the World Heritage List. The nomination will be made jointly with Mexico. |
The following are the experts and the topics they discussed during the roundtable meeting: Dr. Celestina Boncan on the Tornaviaje; Dr. Mary Jane A. Bolunia on Shipyards in the Bicol Region; Mr. Sheldon Clyde Jago-on, Bobby Orillaneda, and Ligaya Lacsina on Underwater Archaeology; Dr. Leovino Garcia on Maps and Cartography; Fr. Rene Javellana, S.J. on Fortifications in the Philippines; Felice Sta. Maria on Food; Dr. Fernando Zialcita on Textile; and Regalado Trota Jose on Historical Dimension. The papers presented and discussed during the roundtable meeting will be synthesized into a working document to establish the route's Outstanding Universal Value. |
The Mexican side reiterated that they will also follow suit with the preparations for the route's nomination. |
Spain has also backed the nomination of the Manila-Acapulco Trade Route in the UNESCO World Heritage Site list and has also suggested the Archives of the Manila-Acapulco Galleons to be nominated as part of a separate UNESCO list, the UNESCO Memory of the World Register. |
Alan Curtis Kay (born May 17, 1940) is an American computer scientist best known for his pioneering work on object-oriented programming and windowing graphical user interface (GUI) design. At Xerox PARC he led the design and development of the first modern windowed computer desktop interface. There he also led the development of the influential object-oriented programming language Smalltalk, both personally designing most of the early versions of the language and coining the term "object-oriented." |
He has been elected a Fellow of the American Academy of Arts and Sciences, the National Academy of Engineering, and the Royal Society of Arts. He received the Turing award in 2003. |
Kay is also a former professional jazz guitarist, composer, and theatrical designer. He also is an amateur classical pipe organist. |
Early life and work. |
In an interview on education in America with the Davis Group Ltd., Kay said: |
Originally from Springfield, Massachusetts, Kay's family relocated several times due to his father's career in physiology before ultimately settling in the New York metropolitan area. |
He attended Brooklyn Technical High School. Having accumulated enough credits to graduate, he then attended Bethany College in Bethany, West Virginia, where he majored in biology and minored in mathematics. |
Kay then taught guitar in Denver, Colorado for a year. He was drafted in the United States Army, then qualified for officer training in the United States Air Force, where he became a computer programmer after passing an aptitude test. |
After his discharge, he enrolled at the University of Colorado Boulder and earned a Bachelor of Science (B.S.) in mathematics and molecular biology in 1966. |
In the autumn of 1966, he began graduate school at the University of Utah College of Engineering. He earned a Master of Science in electrical engineering in 1968, then a Doctor of Philosophy in computer science in 1969. His doctoral dissertation, "FLEX: A Flexible Extendable Language", described the invention of a computer language named FLEX. While there, he worked with "fathers of computer graphics" David C. Evans (who had recently been recruited from the University of California, Berkeley to start Utah's computer science department) and Ivan Sutherland (best known for writing such pioneering programs as Sketchpad). Kay credits Sutherland's 1963 thesis for influencing his views on objects and computer programming. As he grew busier with research for the Defense Advanced Research Projects Agency (DARPA), he ended his musical career. |
In 1968, he met Seymour Papert and learned of the programming language Logo, a dialect of Lisp optimized for educational purposes. This led him to learn of the work of Jean Piaget, Jerome Bruner, Lev Vygotsky, and of constructionist learning, further influencing his professional orientation. |
In 1969, Kay became a visiting researcher at the Stanford Artificial Intelligence Laboratory in anticipation of accepting a professorship at Carnegie Mellon University. Instead, in 1970, he joined the Xerox PARC research staff in Palo Alto, California. Through the decade, he developed prototypes of networked workstations using the programming language Smalltalk. |
Along with some colleagues at PARC, Kay is one of the fathers of the idea of object-oriented programming (OOP), which he named. Some original object-oriented concepts, including the use of the words 'object' and 'class', had been developed for Simula 67 at the Norwegian Computing Center. Kay said: |
I'm sorry that I long ago coined the term "objects" for this topic because it gets many people to focus on the lesser idea. The big idea is "messaging". |
While at PARC, Kay conceived the Dynabook concept, a key progenitor of laptop and tablet computers and the e-book. He is also the architect of the modern overlapping windowing graphical user interface (GUI). Because the Dynabook was conceived as an educational platform, he is considered one of the first researchers into mobile learning; many features of the Dynabook concept have been adopted in the design of the One Laptop Per Child educational platform, with which Kay is actively involved. |
From 1981 to 1984, Kay was Chief Scientist at Atari. In 1984, he became an Apple Fellow. After the closure of the Apple Advanced Technology Group in 1997, he was recruited by his friend Bran Ferren, head of research and development at Disney, to join Walt Disney Imagineering as a Disney Fellow. He remained there until Ferren left to start Applied Minds Inc with Imagineer Danny Hillis, leading to the cessation of the Fellows program. |
In 2001, Kay founded Viewpoints Research Institute, a nonprofit organization dedicated to children, learning, and advanced software development. For their first ten years, Kay and his Viewpoints group were based at Applied Minds in Glendale, California, where he and Ferren worked on various projects. Kay served as president of the Institute until its closure in 2018. |
In 2002 Kay joined HP Labs as a senior fellow, departing when HP disbanded the Advanced Software Research Team on July 20, 2005. |
He has been an adjunct professor of computer science at the University of California, Los Angeles, a visiting professor at Kyoto University, and an adjunct professor at the Massachusetts Institute of Technology (MIT). Kay served on the advisory board of TTI/Vanguard. |
Squeak, Etoys, and Croquet. |
In December 1995, while still at Apple, Kay collaborated with many others to start the open source Squeak version of Smalltalk. As part of this effort, in November 1996, his team began research on what became the Etoys system. More recently he started, with David A. Smith, David P. Reed, Andreas Raab, Rick McGeer, Julian Lombardi, and Mark McCahill, the Croquet Project, an open-source networked 2D and 3D environment for collaborative work. |
In 2001, it became clear that the Etoy architecture in Squeak had reached its limits in what the Morphic interface infrastructure could do. Andreas Raab, a researcher in Kay's group then at Hewlett-Packard, proposed defining a "script process" and providing a default scheduling mechanism that avoided several more general problems. The result was a new user interface, proposed to replace the Squeak Morphic user interface. Tweak added mechanisms of islands, asynchronous messaging, players and costumes, language extensions, projects, and tile scripting. Its underlying object system is class-based, but to users (during programming) it acts as if it were prototype-based. Tweak objects are created and run in Tweak project windows. |
The Children's Machine. |
In November 2005, at the World Summit on the Information Society, the MIT research laboratories unveiled a new laptop computer for educational use around the world. It has many names, including the $100 Laptop, the One Laptop per Child program, the Children's Machine, and the XO-1. The program was founded and is sustained by Kay's friend Nicholas Negroponte, and is based on Kay's Dynabook ideal. Kay is a prominent co-developer of the computer, focusing on its educational software using Squeak and Etoys. |
Reinventing programming. |
Kay has lectured extensively on the idea that the computer revolution is very new, and all of the good ideas have not been universally implemented. His lectures at the OOPSLA 1997 conference, and his ACM Turing Award talk, "The Computer Revolution Hasn't Happened Yet", were informed by his experiences with Sketchpad, Simula, Smalltalk, and the bloated code of commercial software. |
On August 31, 2006, Kay's proposal to the United States National Science Foundation (NSF) was granted, funding Viewpoints Research Institute for several years. The proposal title was "STEPS Toward the Reinvention of Programming: A compact and Practical Model of Personal Computing as a Self-exploratorium". STEPS is a recursive acronym that stands for "STEPS Toward Expressive Programming Systems". A sense of what Kay is trying to do comes from this quote, from the abstract of a seminar at Intel Research Labs, Berkeley: "The conglomeration of commercial and most open source software consumes in the neighborhood of several hundreds of millions of lines of code these days. We wonder: how small could be an understandable practical 'Model T' design that covers this functionality? 1M lines of code? 200K LOC? 100K LOC? 20K LOC?" |
Kay has received many awards and honors, including: |
His other honors include the J-D Warnier Prix d'Informatique, the ACM Systems Software Award, the NEC Computers & Communication Foundation Prize, the Funai Foundation Prize, the Lewis Branscomb Technology Award, and the ACM SIGCSE Award for Outstanding Contributions to Computer Science Education. |
APL (programming language) |
APL (named after the book "A Programming Language") is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array. It uses a large range of special graphic symbols to represent most functions and operators, leading to very concise code. It has been an important influence on the development of concept modeling, spreadsheets, functional programming, and computer math packages. It has also inspired several other programming languages. |
Mathematical notation. |
A mathematical notation for manipulating arrays was developed by Kenneth E. Iverson, starting in 1957 at Harvard University. In 1960, he began work for IBM where he developed this notation with Adin Falkoff and published it in his book "A Programming Language" in 1962. The preface states its premise: |
This notation was used inside IBM for short research reports on computer systems, such as the Burroughs B5000 and its stack mechanism when stack machines versus register machines were being evaluated by IBM for upcoming computers. |
Iverson also used his notation in a draft of the chapter "A Programming Language", written for a book he was writing with Fred Brooks, "Automatic Data Processing", which would be published in 1963. |
In 1979, Iverson received the Turing Award for his work on APL. |
Development into a computer programming language. |
As early as 1962, the first attempt to use the notation to describe a complete computer system happened after Falkoff discussed with William C. Carter his work to standardize the instruction set for the machines that later became the IBM System/360 family. |
In 1963, Herbert Hellerman, working at the IBM Systems Research Institute, implemented a part of the notation on an IBM 1620 computer, and it was used by students in a special high school course on calculating transcendental functions by series summation. Students tested their code in Hellerman's lab. This implementation of a part of the notation was called Personalized Array Translator (PAT). |
In 1963, Falkoff, Iverson, and Edward H. Sussenguth Jr., all working at IBM, used the notation for a formal description of the IBM System/360 series machine architecture and functionality, which resulted in a paper published in "IBM Systems Journal" in 1964. After this was published, the team turned their attention to an implementation of the notation on a computer system. One of the motivations for this focus of implementation was the interest of John L. Lawrence who had new duties with Science Research Associates, an educational company bought by IBM in 1964. Lawrence asked Iverson and his group to help use the language as a tool to develop and use computers in education. |
After Lawrence M. Breed and Philip S. Abrams of Stanford University joined the team at IBM Research, they continued their prior work on an implementation programmed in FORTRAN IV for a part of the notation which had been done for the IBM 7090 computer running on the IBSYS operating system. This work was finished in late 1965 and later named IVSYS (for Iverson system). The basis of this implementation was described in detail by Abrams in a Stanford University Technical Report, "An Interpreter for Iverson Notation" in 1966. The academic aspect of this was formally supervised by Niklaus Wirth. Like Hellerman's PAT system earlier, this implementation did not include the APL character set but used special English reserved words for functions and operators. The system was later adapted for a time-sharing system and, by November 1966, it had been reprogrammed for the IBM System/360 Model 50 computer running in a time-sharing mode and was used internally at IBM. |
A key development in the ability to use APL effectively, before the wide use of cathode ray tube (CRT) terminals, was the development of a special IBM Selectric typewriter interchangeable typing element with all the special APL characters on it. This was used on paper printing terminal workstations using the Selectric typewriter and typing element mechanism, such as the IBM 1050 and IBM 2741 terminal. Keycaps could be placed over the normal keys to show which APL characters would be entered and typed when that key was struck. For the first time, a programmer could type in and see proper APL characters as used in Iverson's notation and not be forced to use awkward English keyword representations of them. Falkoff and Iverson had the special APL Selectric typing elements, 987 and 988, designed in late 1964, although no APL computer system was available to use them. Iverson cited Falkoff as the inspiration for the idea of using an IBM Selectric typing element for the APL character set. |
Many APL symbols, even with the APL characters on the Selectric typing element, still had to be typed in by over-striking two extant element characters. An example is the "grade up" character, which had to be made from a "delta" (shift-H) and a "Sheffer stroke" (shift-M). This was necessary because the APL character set was much larger than the 88 characters allowed on the typing element, even when letters were restricted to upper-case (capitals). |
Commercial availability. |