Graduate, Albany Academy, 1938; Bachelor of Arts, Harvard, 1942; Bachelor of Divinity, New Brunswick Seminary, 1945; honorary Doctor of Divinity, Central College, 1957; honorary Doctor of Divinity, Knox College, Toronto, 1977; Doctor of Letters (honorary), Hope College, 1975; Doctor of Humane Letters, Ursinus College, 1975.
Minister North Reformed Dutch Church, Newark, 1945-1973. President New Brunswick Seminary, New Jersey, 1973-1985. Exchange lecturer, South Africa, 1956.
Lecturer Princeton Seminary, Drew University.
(A series of 25 books designed to help clergymen carry out...)
(Book by Hageman, Howard G.)
President general synod Reformed Church American, 1959-1960. President Friends of New Netherland. Member N. American Academy Liturgy, Holland Society New York (domine), Colonial Order of Acorn, Phi Beta Kappa.
Married Carol Christine Wenneis, September 15, 1945.