Mr. Hughes became an art director for a film production company. In 1963, he established an animation business, Gary Hughes Inc., in Kensington. He produced sequences for numerous clients, including the Smithsonian Institution, the National Geographic Society, PBS and NBC.
As a student, Mr. Hughes had worked in sculpture. In 1983, he began making bronze editions, including figures of a Civil War soldier and a woman carrying shopping bags. He sold his work to private collectors and to the Easton Art Academy, the Rehoboth Art League and Columbia Corporate Park.
In 2013, he moved his home and studio to Rehoboth Beach.
Family and friends will conduct a private celebration of his life.
Survivors include his wife of 42 years, Ellen Roney Hughes, a Smithsonian curator; three sons, Jeffrey Hughes of Mount Airy, Chris Hughes of Ellicott City and Chris Adams of Washington; a sister, Jane Hughes of Timonium; seven grandchildren; and two great grandchildren.