paragraph_text: Alfred James Clark (December 2, 1927 – March 20, 2015) was an American engineer, businessman and philanthropist. He was chairman and CEO of Clark Enterprises, Inc., headquartered in Bethesda, Maryland. The company's largest subsidiary is Clark Construction Group, LLC, one of the United States' largest construction companies, founded in 1906 as the George Hyman Construction Company.

paragraph_text: Plumtree Software is a former software company founded in 1996 by product managers and engineers from Oracle and Informix with funding from Sequoia Capital. The company was a pioneer of extending the portal concept popularized by Yahoo! from the web to enterprise computing. BEA Systems acquired Plumtree on October 20, 2005, and Oracle subsequently acquired BEA. Plumtree's former portal product continues as part of Oracle's product line.

paragraph_text: Mogen David is a company based in Westfield, New York that makes wines, including the fortified wine MD 20 / 20. Mogen David Wine Co. is a trademark held by their parent company The Wine Group in Livermore, California.

paragraph_text: DECsystem was a line of server computers from Digital Equipment Corporation. They were based on MIPS architecture processors and ran DEC's version of the UNIX operating system, called Ultrix. They ranged in size from workstation-style desktop enclosures to large pedestal cabinets.

paragraph_text: Laverda is a manufacturer of combine harvesters and hay equipment, based in Breganze, Italy. It was founded in 1873 by Pietro Laverda to produce farming implements in the Province of Vicenza. 1956 was the year the first self-propelled Laverda combine, the M 60, was manufactured. Laverda formed a partnership with Fiat in 1981, and would be a part of that company for some 20 years.

paragraph_text: Transportistas Unidos Mexicanos otherwise known as TUM or TUM Transportistas, is a Mexican Trucking Company based out of Mexico City founded in 1938. TUM operates 18 terminals all over Mexico, with its corporate headquarters located in Mexico City Mexico, and its international headquarters located across from the U.S.' busiest port of entry in Nuevo Laredo, Tamaulipas. TUM carries a fleet of over 1,800 Trucks, 2,500 trailers, and 1,800 drivers making it the largest trucking company in Mexico.

paragraph_text: Originally called Dolores Labs, the company was founded in 2007 by Lukas Biewald and Chris Van Pelt. They found a need for temporary workers doing simple tasks that could not be automated. After experimenting with pictures and questions related to them on Amazon's Mechanical Turk, a crowdsourcing internet marketplace, they encouraged others to participate in their experimentation through the site Facestat. They collected 20 million assessments of people's faces within three months and began to add queries for companies needing data such as event listing site Zvents and O'Reilly Media.

paragraph_text: Founded in 1968 by Dr. Alejandro Zaffaroni; the company's name is a portmanteau of his name. Alza was a major pioneer in the field of drug delivery systems, bringing over 20 prescription pharmaceutical products to market, and employing about 10,000 people during 20 years. In 2001, Alza was acquired by Johnson & Johnson via a stock-for-stock transaction worth US$10.5 billion.

paragraph_text: The Kids Wish Network was founded in 1997 as the "Fulfill a Wish Foundation" by Mark Breiner, his wife Shelley Breiner and Shelley's mother Barbara Askin in honor of Shelley's father, who died of cancer in 1993. In 1998, the company's name was changed to "Kids Wish Network" as part of a settlement after the Make-A-Wish Foundation sued the organization on the premise that it had a confusingly similar name.

paragraph_text: Hainaut-Sambre was a Belgian group of steel companies based in the Charleroi region, it was founded in 1955 by the merger of Usine Métallurgiques du Hainaut (based in Couillet, Charleroi), and the metal making division of "Sambre et Moselle" (based in Montignies-sur-Sambre, Charleroi).

paragraph_text: In 1893, John Henry Comstock and Simon Henry Gage founded the Comstock Publishing Company in order to make textbooks on microscopy, histology, and entomology available at a reasonable price to students and to publish the works of Anna Botsford Comstock on nature study.

paragraph_text: The Flavor and Extract Manufacturers Association (FEMA) of the United States was founded in 1909 by several flavor firms in response to the passage of the Pure Food and Drug Act of 1906. Founding members were McCormick & Company, Ulman Driefus & Company, Jones Brothers, Blanke Baer Chemical Company, Frank Tea & Spice Company, Foote & Jenkes, Sherer Gillett Company, and C.F. Sauer Company.

paragraph_text: President and CEO Eddie Shapiro founded the company in 2001, and has presently expanded to over 20 offices and more than 800 team members and around the globe . Based in Manhattan, Brooklyn, Long Island City, The Hamptons, New Jersey, Miami, Beverly Hills, Seoul and London, Nest Seekers International has emerged as a leading global real estate firm.

paragraph_text: De Agostini S.p.A. is an Italian holding company that coordinates the strategic operating companies - De Agostini Editore, De Agostini Communications, IGT and DeA Capital - and makes financial investments, among which the main investment is a minority stake in Assicurazioni Generali. It was founded in 1901 by the geographer Giovanni De Agostini in Rome, Italy, and later moved to Novara, Italy.

paragraph_text: The biographical book, The ultimate entrepreneur: the story of Ken Olsen and Digital Equipment Corporation, chronicles the experiences of Ken Olsen racing to design minicomputers at the company of his own founding, Digital Equipment Corporation. At the time the book was published by two computer journal writers, Ken Olsen was competing with other Massachusetts computing companies such as Data General (founded by his former employee), Prime Computer, Wang Laboratories, Symbolics, Lotus Development Corporation, and Apollo Computer. While believing in the value of software, he did not believe in the value of software separate from hardware, and missed the opportunity to fund Lotus 1-2-3 or Visicalc. He also missed the importance of the personal computer, but his futuristic vision of the Client–server model helped to launch Ethernet.

paragraph_text: Scott Ross (born November 20, 1951) is an American digital media executive with a career spanning three decades. In the 1980s he led George Lucas' companies and in 1993 he founded, along with James Cameron and Stan Winston, Digital Domain, Inc., one of the largest digital production studios in the motion picture and advertising industries.

paragraph_text: It was founded on 22 March 1967 as "Daewoo Industrial" and was declared bankrupt on 1 November 1999, with debts of about US$50 billion (equivalent to $ billion in ). Prior to the Asian financial crisis, Daewoo was the second largest conglomerate in Korea after the Hyundai Group. There were about 20 divisions under the Daewoo Group, some of which survive today as independent companies.

paragraph_text: In 1607, Jamestown, Virginia was founded by the London Company (also known as the Virginia Company). In Newfoundland, a chartered company known as the Society of Merchant Venturers established a permanent settlement at Cuper's Cove, from 1610. St. George's, Bermuda was founded by the Virginia Company, in 1612.

paragraph_text: The DECSYSTEM-20 was a 36-bit Digital Equipment Corporation PDP-10 mainframe computer running the TOPS-20 operating system (products introduced in 1977).

paragraph_text: San Jacinto is a city in Riverside County, California. It was named after Saint Hyacinth and is located at the north end of the San Jacinto Valley, with Hemet to its south and Beaumont, California, to its north. The mountains associated with the valley are the San Jacinto Mountains. The population was 44,199 at the 2010 census. The city was founded in 1870 and incorporated on April 20, 1888, making it one of the oldest cities in Riverside County.

Question: Who founded the company which makes DECSYSTEM-20?
Answer: Ken Olsen