William M. Doran, Photograph of Charles E. Burchfield sketching in his studio, October, 1966; Image courtesy of the Burchfield Penney Art Center Archives.
"Burchfield has exacted a quality that we may call poetic, romantic, lyric, or what you will. By sympathy with the particular, he has made it epic and universal." - Edward Hopper, who was friends with Burchfield (both were represented by the Frank K.M. Rehn Galleries in New York).