Background
He was the son of William F. Slocum, a Boston lawyer, and Margaret Tinker.
He was the son of William F. Slocum, a Boston lawyer, and Margaret Tinker.
He graduated from Amherst College in 1874. By 1876, he was at Andover Theological Seminary, where he graduated in 1878.
In 1874 and 1875, he was a newspaper correspondent in England and Germany. He held Congregational pastorates at Amesbury, Massachusetts (1878-1883), and Baltimore, Maryland (1883-1888). He then became president of Colorado College, where he remained until his retirement in 1917 to Newton Center, Massachusetts.
He lectured and wrote on educational and sociological subjects.