US
A.k.a. Mario Armond Zamparelli
American artist and designer (1921-2012), best known for his connection with Howard Hughes. For 18 years, Zamparelli was Chief Executive Designer of Hughes' empire, and created the corporate identity of TWA, Hughes Airwest, Hughes Helicopters, the Summa Corporation, Howard Hughes Medical Institute and was the artist for Hughes' RKO General movies posters. He designed interiors and exteriors of many of the legendary Las Vegas hotels, including the Frontier Hotel, the Desert Inn, the Sands, Tropicana, among other Hughes' hotels and casinos and property holdings. He was also responsible for the only portrait of Howard Hughes in existence that was commissioned by Hughes himself.