Roscoe Conklin "Rock" Cartwright (May 27, 1919 – December 1, 1974) was the United States' second-ever African American U.S. Army brigadier general, third-ever African American U.S. general officer, and the first black field artilleryman promoted to brigadier general. Early life, education and personal life Cartwright was born in Kansas City, Kansas, on May 27, 1919. Raised in Tulsa, Oklahoma, Cartwright graduated from Booker T. Washington High School in 1936. He attended Kansas State Teachers College at Emporia, Kansas. Unable to afford his tuition at Kansas State, Cartwright ended his studies and worked at the University of Tulsa and the Bubble Up Bottling Company. In June 1960, Cartwright graduated from San Francisco State College with a BA Degree in Social Science. He also earned an MBA from the University of Missouri. Cartwright was a 1974 initiate of Alpha Phi Alpha fraternity, a traditionally African-American college fraternity. While temporarily stationed at Camp Robinson near Little Rock, Arkansas, Cartwright married Gloria Lacefied Cartwright, a native of Hope, Arkansas. They had four children, eight grandchildren and three great-grandchildren. Military career In 1941, the U.S. Army drafted Cartwright into the US Army as an enlisted man. The segregated US Army assigned him to the all-African American enlisted men 349th Field Artillery Regiment at Fort Sill, Oklahoma. The unit's officer were all white except the chaplain, an African American man. In November 1942, Cartwright graduated from Officers Candidate School, receiving a commission as a Field Artillery Second Lieutenant in the 599th Field Artillery Battalion of the all-African American brigade of the 92nd Infantry Division, best known as the Buffalo Soldiers Serving primarily in Italy, Cartwright remained with the 599th throughout the remainder of World War II. After the war he was promoted to first lieutenant. For three years, Cartwright taught Reserve Officer Training Corps (ROTC). As a captain, Cartwright served in Japan and Korea. In 1954 he was transferred from a segregated unit into the "regular" integrated army as a major. He served in South Vietnam until 1971, when he became the third African American after General Benjamin O. Davis Sr and General Benjamin O. Davis Jr to be promoted to brigadier general. After working at the Pentagon, Cartwright retired from the military in 1974. He had served in the U.S. military for 33 years. Major assignments November 1963-August 1966: Comptroller, U.S. Army Garrison, Fort Leavenworth, KS. August 1966-July 1968: Management Analyst, later Chief, Management Planning