Hartke's opposition came in the mid-1960s, relatively early in the course of the escalation of the U.S. commitment in Vietnam.
Rupert VanceHartke was born in the Indiana town of Stendal on May 31, 1919, and graduated in 1940 from Evansville College.
Hartke had seven children, 16 grandchildren, and one great-grandson, and another of his core beliefs was in the importance of keeping his family together, Jan Hartke said.