Charles Green Shaw (1892–1974): A Pioneer of Geometric Abstraction Charles Green Shaw, born May 1st, 1892, was an American painter, poet, writer, and illustrator whose artistic journey spanned from the vibrant social satire of the Jazz Age to a profound exploration of geometric abstraction. Initially drawn to literature—he worked as a freelance writer for publications like *The New Yorker*, *Smart Set*, and *Vanity Fair*, documenting the theatrical world and cafés of 1920s New York—Shaw’s artistic inclinations soon blossomed, marking him as one of the most influential figures in American abs…