Born: December 22, 1823, Cambridge, Massachusetts.
Died: May 9, 1911, Cambridge, Massachusetts.
Buried: Cambridge Cemetery, Cambridge, Massachusetts.
Thomas was the son of Stephen Higginson and Mary Potter Thacher.
A Harvard University graduate, He served Unitarian pastorates in Newburyport (1847–50) and Worcester (1852–58), Massachusetts. In 1858, he retired from the ministry and devoted himself to literature.
He was one of the Secret Six
who helped fund abolitionist John Brown’s 1859 raid on Harper’s Ferry, West Virginia. During the American civil war, he was a colonel in the first African-American regiment raised in South Carolina.
He was a leading contributor to the Atlantic Monthly, and also published: