The Copa Room was an entertainment nightclub showroom at the now-defunct Sands Hotel on The Las Vegas Strip in Las Vegas, Nevada.
 It was demolished in 1996 when the Sands Hotel was imploded.
Jack Entratter (February 28, 1913 – March 11, 1971), nicknamed "Mr. Entertainment", was an American business executive.
 He is best known for management positions at the Copacabana nightclub in New York City in the 1940s and early 1950s, and at the iconic Sands Hotel and Casino in Las Vegas from the early 1950s.
 He is closely associated with Frank Sinatra and the Rat Pack in the history of Las Vegas, Nevada.
The Carillion Hotel & Spa, and the Carillion Residences, formerly known as Canyon Ranch Miami Beach, is a complex of three high rise luxury condominiums in North Beach, Miami Beach, Florida, United States.
 It is located on the beachfront on the east side of Collins Avenue between 68th and 69th Streets.
 The Carillon Hotel & Spa complex includes The Carillon Hotel & Spa North Tower, the 20 floor The Carillon Hotel & Spa South Tower, The Carillon Hotel building located between The Carillon Hotel & Spa Towers on Collins Avenue, as well as the proposed Golden Sands Canyon Ranch proposed to be built north of The Carillon Hotel & Spa North Tower.
 The old Golden Sands Hotel and Lounge is being demolished to make way for the new Golden Sands building.
 The 15-story Carillion Hotel building was built in 1955 but was vacant for 15 years until it was renovated in 2007 and became part of the Canyon Ranch complex.
 The 22 floor The Carillon Hotel & Spa South Tower is 257 feet (78 meters) tall and was completed in 2008.
 The tallest building, the north tower of The Carillon Hotel & Spa is 37 floors and 121 meters (~400 feet) tall, was completed in 2008 and is one of the tallest buildings in Miami Beach.
 The Carillon Hotel & Spa North Tower looks like two separate, connected towers, but both are the North Tower building.
Sands at the Sands is a 1960 live album by American singer Tommy Sands recorded at the Sands Hotel and Casino in Las Vegas.
Carl Cohen (February 15, 1913 – December 26, 1986) was an American businessman.
 He was a well-known executive in the gambling resort industry in Las Vegas, Nevada, in the 1940s through 1970s and is credited with playing an important role in the development of Las Vegas as a premier resort destination.
 He began his career as a bookie and operator in illegal gambling clubs operated by the Mayfield Road Mob in Cleveland, Ohio.
 Moving to Las Vegas, he became casino manager for the El Rancho Vegas in the 1940s and the Sands Hotel and Casino in the 1950s; he also had a controlling interest in both resorts.
 He advanced to senior vice president of the Sands and, in 1973, became senior vice president of the newly opened MGM Grand Hotel.
 He gained national notoriety for a 1967 altercation with Frank Sinatra at the Sands, in which he responded to the singer's drunken and aggressive behavior by punching him in the mouth and knocking the caps off his front teeth.
Sinatra at the Sands is a live album by Frank Sinatra accompanied by Count Basie and his orchestra, and conducted and arranged by Quincy Jones, recorded live in the Copa Room of the former Sands Hotel and Casino in Las Vegas in 1966.
Sands Casino typically refers to the Sands Hotel on the Las Vegas Strip.
The Sands Hotel and Casino was a historic hotel and casino on the Las Vegas Strip in Nevada, United States, that operated from 1952 to 1996.
 Designed by the architect Wayne McAllister, with a prominent 56 ft high sign, the Sands was the seventh resort to open on the Strip.
 During its heyday, the Sands was the center of entertainment and "cool" on the Strip, and hosted many famous entertainers of the day, most notably the Rat Pack.
Live at the Sands is a live DVD by Mary Wilson, recorded at the Copa Room of the Sands Hotel and Casino in Las Vegas and released in 2006.
The Venetian Resort Hotel Casino is a five-diamond luxury hotel and casino resort located on the Las Vegas Strip in Paradise, Nevada, United States, on the site of the old Sands Hotel.
 Designed by KlingStubbins, the hotel tower contains 36 stories and rises 475 ft .
 The Venetian is owned and operated by Las Vegas Sands.
 The Venetian also serves as the seat of the corporate headquarters for its parent company.

Question: Who was the architect that designed the Sands Hotel and Casino sign for Mr. Entertainment?
Answer: Wayne McAllister