Impressionist painter Mary Cassatt, 1918
F. Scott Fitzgerald in 1917 (left) and in 1921 (right)
Dancer Isadora Duncan (wearing a scarf!) in 1918
Friends and poets Ezra Pound (1918) and T.S. Eliot (1917)
Frank Lloyd Wright in 1920
Zeppo, Harpo, and Groucho Marx, all in 1922
[via The Rumpus]