Party affiliation: Republican
With Allen, Lane & Company, Boston, 1865-1877. In practice of architecture, 1879-1924. Member Allen & Collens, Boston and New York, 1904-1926.
Principal works: 8 buildings, Williams College. 12 buildings, Vassar College. Woman’s Hospital, 110th St., New York.
Emmanuel Church, Boston. Memorial Hospital, Canandaigua, New York. Union Theological Seminary buildings, New York.
Andover Theological Seminary building, Cambridge, Massachusetts. Also hospitals, residences, office buildings, etc.