He was born in Michelstadt-im-Odenwald, then in the Grand Duchy of Hesse of the German Empire. In his early years, he studied under Rudolf Koch at Offenbach School of Art and Design, and developed skills in woodcuts. In 1920, he began studying at the Kunstgewerbeschule in Offenbach am Main. Koch and Kredel collaborated on A Book of Signs (1923) and The Book of Flowers (1930). Following Koch's death in 1934, Kredel moved to Frankfurt, but in 1938, he fled Germany for political reasons with help from Melbert Cary.
James Cecil Hatlo (September 1, 1897 – December 1, 1963), better known as Jimmy Hatlo, was an American cartoonist who in 1929 created the long-running comic strip and gag panel They'll Do It Every Time, which he wrote and drew until his death in 1963. Hatlo's other strip, Little Iodine, was adapted into a feature-length movie in 1946. In an opinion piece for the July 22, 2013, edition of The Wall Street Journal, "A Tip of the Hat to Social Media's Granddad", veteran journalist Bob Greene characterized Hatlo's daily cartoons, which credited readers who contributed the ideas, as a forerunner of Facebook and Twitter. Greene wrote: "Hatlo's genius was to realize, before there was any such thing as an Internet or Facebook or Twitter, that people in every corner of the country were brimming with seemingly small observations about mundane yet captivating matters, yet lacked a way to tell anyone outside their own circles of friends about it. Hatlo also un