Clark received his Ph.D. in 1946, also from USC with a dissertation titled "The Platform and Pulpit Career and Rhetorical Theory of Bishop Matthew Simpson."

[2] From 1964 until 1969, Clark served as president of San Jose State College, where he was known for his support of the civil rights struggles of African-American athletes, including Olympians John Carlos and Tommie Smith.

"Clark envisioned his task as one of continuously improving the quality of the institution and making it more responsive to the intellectual needs and aspirations of the student body" (Gilbert and Burdick, 171).

[5] A five-story library that opened in early 1982 on the San José State University campus was named after former College President Clark.

Clark was the subject of a short documentary in 2005 titled "Oregon's War at Home and the Man who Brought the Peace."