 In 1952, they moved with their children to Coral Gables, Florida, where he worked as a stockbroker until 1981.During the late 1960s, Mr. Arkin began cultivating plants and trees in his backyard, eventually developing a kind of carambola, or star fruit, that became commercially viable and was named after him.Until the early 1970s, carambola had been grown only as specimen trees in botanical gardens and experiment stations and as a curiosity in home landscapes.