Are Edna St. Vincent Millay and Robert Penn Warren both Pulitzer Prize-winners for their poetry?
Edna St. Vincent Millay:  She received the Pulitzer Prize for Poetry in 1923, the third woman to win the award for poetry, and was also known for her feminist activism. Robert Penn Warren:  He received the 1947 Pulitzer Prize for the Novel for his novel "All the King's Men" (1946) and the Pulitzer Prize for Poetry in 1958 and 1979. Robert Penn Warren:  He is the only person to have won Pulitzer Prizes for both fiction and poetry.
yes