Jon Kozlak was a Golden Age artist of superhero comics. He drew several features for All Star Comics in the 1940s, such as 'Wildcat' and 'The Workshop of Willie Wonder'. He was also an artist of National/DC's 'The Atom', 'Green Lantern' and 'Flash' during the 1940s. Prior to his comic book period, he did gag cartoons for Field and Stream and Sports Afield. He eventually designed some storewindow displays and was an illustrator for the Minnesota Historical Society from the late 1940s until the late 1980s.