Title: John Shirley Wood
Content: Armored Division, and served until June. From June to October 1941, he was Chief of Staff of the 1st Armored Corps. On November 5, 1941 (October 31), he was promoted to brigadier general and took command of Combat Command "A", 5th Armored Division. In May 1942, Wood took command of the 4th Armored Division (activated April 15, 1941) after Major General Henry W. Baird, and was responsible for the 4th Armored's organization and training. On June 21 he was promoted to major general. On July 28, 1944, he personally led the 4th Armored into combat in France after the Normandy

Title: George S. Patton
Content: as an umpire, where he met Adna R. Chaffee Jr. and the two formulated recommendations to develop an armored force. Chaffee was named commander of this force, and created the 1st and 2nd Armored Divisions as well as the first combined arms doctrine. He named Patton commander of the 2nd Armored Brigade, part of the 2nd Armored Division. The division was one of few organized as a heavy formation with many tanks, and Patton was in charge of its training. Patton was promoted to brigadier general on October 2, made acting division commander in November, and on April 4, 1941

Title: George S. Patton
Content: was promoted again to major general and made Commanding General (CG) of the 2nd Armored Division. As Chaffee stepped down from command of the I Armored Corps, Patton became the most prominent figure in U.S. armor doctrine. In December 1940, he staged a high-profile mass exercise in which 1,000 tanks and vehicles were driven from Columbus, Georgia, to Panama City, Florida, and back. He repeated the exercise with his entire division of 1,300 vehicles the next month. Patton earned a pilot's license and, during these maneuvers, observed the movements of his vehicles from the air to find ways to deploy

Title: Lunsford E. Oliver
Content: 1st Armored Division in January 1942, a month after the Japanese attack on Pearl Harbor and the subsequent American entry into World War II, to assume command of Combat Command 'B' (CCB), then promoted to the one-star general officer rank of brigadier general on February 16, 1942. The division deployed to Northern Ireland on May 6, 1942 to train for eventual operations in French North Africa. In September, Oliver went to London, England to assist in the planning for Operation Torch (Allied invasion of North Africa). Oliver was promoted to the two-star rank of major general on November 20, 1942,

Title: William Henry Harrison Morris Jr.
Content: following year. He remained there for the next three years as an instructor. In 1937, he served with, and later commanded, the 2nd Battalion, 66th Infantry Regiment at Fort Benning, Georgia. From 1938 to 1940 Morris served as a G-1 staff officer on the General Staff of the War Department in Washington, D.C.. By late 1940 he was commander of the 66th Armored Regiment. In February 1942, two months after the United States entered World War II, Morris, by now promoted to the one-star general officer rank of brigadier general, raised the 6th Armored Division as its first Commanding General

Question: Who became commanding general of the First Armored Corps in 1941?
Answer: George Patton