sentences:  After teaching for two years at Dartmouth College, he was called to the growing History Department at the University of California, Santa Barbara where he joined distinguished historians such as Wilbur Jacobs, Robert O. Collins, Frank J.Frost, C. Warren Hollister, Leonard Marsak, and Joachim Remak.After witnessing a massive oil spill in Santa Barbara in 1969 he and a number of other faculty members became active within the University and founded an environmental studies program there in 1970.