Career
From 1894 to 1913, he was pastor of several Methodist churches in Iowa. In 1913, Clark moved to Washington and became pastor of the Hamline Methodist Church. He was Executive Secretary of the Washington Federation of Churches from 1920-1922.
After his service as American University chancellor from 1922-1932, he became Dean of the Graduate School and Director of the School of Political Science before retiring in 1934.
