Taught at Rockford College as an assistant professor of painting in 1969
Met Bill Frederick, who would become his life-long partner
Earned his M.F.A. degree from the School of the Art Institute of Chicago in 1976
Taught at the Hyde Park Art Center, Chicago; Rockford College, Rockford, IL; Barat College, Lake Forest, IL; and Loyola University, Chicago, where he served as the chairman of the Fine Arts department.
Died May 10, 2006
The Ralph Arnold Gallery was established at Loyola as a part exhibition/part workspace in tribute to his advocacy for the arts in 2006