bio notes:
born: 6/13/1894
died: 12/10/1972
born as: Mark Van Doren

American poet, writer, and eminent teacher. He upheld the writing of verse in traditional forms throughout a lengthy period of experiment in poetry. As a teacher at Columbia University (N.Y.) for 39 years (1920-59), he exercised a profound influence on generations of students. Merriam-Webster's Encyclopedia of Literature