Major John B. Magruder was a Confederate officer during the American Civil War. He is best known for his role in the Peninsula Campaign in 1862, where he commanded the Virginia forces. Magruder's strategic use of deception and troop movements helped him achieve significant victories against Union forces. Magruder was born on May 1, 1807, in New York City. He graduated from the United States Military Academy in 1830 and served in the Mexican-American War. After the Civil War, he continued his career in various military and civil roles, including serving in the Texas state government. He passed away on February 19, 1871.