Arthur Getz was a cover artist for the New Yorker back in the days when the magazine used the cover to show poetic moods of the city.
A contributor to the magazine for over 50 years, Getz produced 213 covers, more than any other artist. For each of them he developed many sketches and often multiple final original paintings.
He used a variety of media. According to Walt Reed, "early covers were painted in encaustic; subsequently he used ink, watercolor, casein, or tempera."
According to the New Yorker's 1996 obituary, "He was a compact, barrel-chested man with the level gaze and scraggy beard of an Amish farmer..."
Arthur Getz in the blog Lines and Colors
The Illustrator in America: 1860-2000
Covering the New Yorker: Cutting-Edge Covers from a Literary Institution