sentences:  As a commentator Tunis was part of the first trans-Atlantic sports cast and the first broadcast of the Wimbledon Tennis Tournament to the United States.After graduating from Harvard and serving in the Army during World War I, Tunis began his writing career freelancing for American sports magazines while playing tennis in the Riviera.For the next two decades he wrote short stories and articles about sports and education for magazines including "Reader's Digest", "The Saturday Evening Post" and "Esquire".