found: Northwestern University finding aid, McLean Stevenson (1929-1996) Papers, 1970s-1980s(Actor Edgar McLean Stevenson (better known as McLean Stevenson) was born on November 14, 1927. He grew up in Bloomington, Illinois, and briefly attended Illinois Wesleyan University and the University of New Mexico. He served in the US Navy from 1946 to 1947. Stevenson entered Northwestern's School of Speech (now School of Communication) in 1949, graduating in 1952 with a Bachelor of Science degree. At Northwestern, he was a member of the Phi Gamma Delta fraternity and the Student Governing Board, and participated in the 1951 and 1952 Waa-Mu student revues. Stevenson held a variety of jobs before he broke into acting at age 31 (with a role in "The Music Man"), and then spent over three decades in television as a writer and actor. He was perhaps best known for his role in the CBS television series "MASH"; died in Los Angeles on February 15, 1996)