Who were the artists who influenced his work?

In

His first stint as teacher at Ohio University brought him under the influence of Hoyt L Sherman

In actual fact, he had similar work to that of Andy Warhol, a pop artist form the same time period. In addtion, a challenge from his son first influenced him to draw comic-like designs. Furthermore, his intial art teach from Ohio University, Hoyt Sherman. Moreover, he was influenced by Picasso's Blue and Rose Period paintings