Born in Manhattan, New York City, All Bellman studied at the High School of Industrial Arts. He eventually became a staff artist at Timely during the Golden Age of comics. While still a teen-ager, he did the backgrounds for Syd Shores' 'Captain America' in 1942, and eventually worked on titles like 'The Patriot', 'The Destroyer', 'The Human Torch', 'Jap Buster Johnson' and 'Jet Dixon of the Space Squadron', as well as his self-created back-up crime feature 'Let's Play Detective'. He also contributed to pre-Code horror, crime, war and western tales for Atlas. He worked in the comics field until the early 1950s.