Oliver Wendell Holmes Sr. (August 29, 1809 – October 7, 1894) was an American physician, poet, professor, lecturer, and author based in Boston. A member of the Fireside Poets, his peers acclaimed him as one of the best writers of the day. His most famous prose works are the "Breakfast-Table" series, which began with The Autocrat of the Breakfast-Table (1858). He was also an important medical reformer.