Vance DeBar "Pinto" Colvig studied art at Oregon Agricultural College from 1911-1913. Colvig illustrated cartoons for the 1913 Beaver Yearbook and worked with silent films. Colvig was known for his performances as Bozo the Clown and Disney character voices, including Goofy, Grumpy and Sleeping from Snow White, and the munchkins of Wizard of Oz.
After a distinguished career with the Oregon State College Extension Service, Frank Llewellyn Ballard was appointed as the college's eighth president in 1940. He served less than a year because of illness and returned to the Extension Service administration. Ballard was the first OSC alumnus to serve as president.
Paul Valenti (1920-2014) was integrally connected to Oregon State University for more that seventy years, beginning with his arrival on the Oregon State College campus as a student athlete in 1938. A member of the Beaver basketball squad during his undergraduate years, Valenti later served as freshman baseball coach, freshman basketball coach, head basketball coach and head tennis coach, spanning a time period from 1946-1970. He continued on as Assistant Athletic Director until retiring in 1982, and remained an enthusiastic ambassador for OSU until his death in 2014.
Charles Buren Mitchell (1886-1955) joined the faculty of Oregon Agricultural College in 1920 to head the new Department of Speech. As department head, he established and developed the dramatics and forensics programs at Oregon State. More than 200 plays were produced under his administration. Mitchell retired in 1952; the College Playhouse was renamed in his honor as the Mitchell Playhouse in 1961.
William Arthur Jensen (1881 -1945) served as executive secretary for presidents Kerr and Peavy and was a member of the college's administrative council. He came to OAC in 1907. After President Kerr was in an auto accident and needed nearly a year to recover, Jensen served as the de facto president of OAC during Kerr's hiatus. The campus gates were dedicated to Jensen for his strong support of WPA art projects on campus during the 1930s.
Mahlon Ellwood Smith was an English Professor, Dean of Basic Arts and Sciences, and Dean of the Lower Division for Oregon Agricultural College from 1919 until his retirement in 1949. He was an authority on the English fable and published extensively in philological and educational journals.