Daniel Barry began his career working in the comic book field through George and Alan Mandel in 1941. Working through shops like Funnies Inc, Otto Binder's and Bernard Baily's studios, he worked on features for companies like Timely ('Scottie'), Feature Comics ('Black Owl'), Hillman ('Airboy', 'Boy King', 'Skywolf') and Fawcett ('Spy Smasher'). After a short interlude in the air force, Dan Barry continued his comic book career. He did freelance work for several magazines, and in 1947-48 he drew the 'Tarzan' daily strip. In the second half of the 1940s he also did the promotional 'Buster Brown' comic for Buster Brown Shoes, and various crime features for National/DC.