John Prentice was a cartoonist who took over the comic strip Rip Kirby upon the death of the strip's creator, Alex Raymond.
Prentice was born in Whitney, Texas. From 1940-1946 he served in the United States Navy. After briefly attending the Art Institute of Pittsburgh, he moved to New York City and worked in a variety of illustrator jobs before being tapped to replace Alex Raymond. Prentice drew the strip for the next 43 years.
Prentice worked occasionally for DC Comics in the 1950s, providing artwork for the first issue of Showcase comics' story, "Fireman Farrell".
Prentice received the National Cartoonist Society Story Comic Strip Award for the series in 1966, 1967, and 1986