Hillside Trees by Joseph Yeager (early-mid 20th Century) on heavy bond watercolor paper with normal ragged edges. No frame. Estate of Joseph Yeager certification on Verso. Unfinished work. Joseph "Joe" Yeager (American, 20th Century) was raised in Cleveland Ohio, where he went to art school at night and started his art career at 19. He was a commercial artist for the Cleveland Press for seven years, and then worked as the paper’s art director for another seven. In the army, he was a technical research illustrator for the National Advisory Committee for Aeronautics. He later moved to Medina, Ohio in 1941 and opened Joe Yeager Industrial Design in 1947. He also taught advanced perspective at the Cleveland School of Art.