Charles Olson was an American poet who wrote the poem 'Maximus to Gloucester' in 1960. He was born in Worcester, Massachusetts and was a part of the post-World War II generation of poets. Olson's work was heavily influenced by his studies of anthropology, history, and literature. His poem 'Maximus to Gloucester' is considered one of his most important works and is a reflection of his life and experiences. Olson's surname is OLSON, which is the answer to the crossword puzzle.