When Topps next introduced baseball cards as a product, the cards immediately became its primary emphasis.

The "father of the modern baseball card" was Sy Berger. In the autumn of 1951, Berger, then a 28-year-old veteran of World War II, designed the 1952 Topps baseball card set with Woody Gelman on the kitchen table of his apartment on Alabama Avenue in Brooklyn. The card design included a