Previous indexer listed F. V. Martinek as the artist, but he was only the writer.
adapted from Hal Roach's movie ONE MILLION B.C.
According to Michael Barrier in his book "Funnybooks: The Improbable Glories of the Best American Comics", Frank Thomas was the writer. Previous indexer credited Leonard Steinman.
Thomas' first Owl story in this title.
In Alter Ego #151 article, Thomas' daughter recounts that whenever her father was doing characters and needed a name, he used names of people that the family knew.