George S. Greene

George Sears Greene
Nickname(s)	Pap, Pappy, Old Man
Born	(1801-05-06)May 6, 1801 Apponaug, Rhode Island, US
Died	January 28, 1899(1899-01-28) (aged 97) Morristown, New Jersey, US
Place of burial	Greene Family Cemetery, Warwick, Rhode Island, US
Allegiance	United States Union
Service / branch	United States Army Union Army
Years of service	1823–1836 1862–1866
Rank	Brigadier General Brevet Major General
Commands	60th New York Infantry Regiment 3rd Brigade, 2nd Division, II Corps 3rd Brigade, 3rd Division, XIV Corps
Battles / wars	American Civil War Shenandoah Valley Campaign Northern Virginia campaign Battle of Cedar Mountain Battle of Antietam Battle of Chancellorsville Battle of Gettysburg Battle of Wauhatchie Battle of Wyse Fork The Capture of Raleigh
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George Sears Greene (May 6, 1801 – January 28, 1899) was a civil engineer and a Union general during the American Civil War. He was part of the Greene family of Rhode Island, which had a record of distinguished military service to the United States. He first served in the Army from 1823 to 1836 after graduating second from his class at West Point. As a civilian, he was one of the founders of the American Society of Civil Engineers and Architects and was responsible for numerous railroads and aqueduct construction projects in the northeastern United States.

After 25 years as a civilian, he rejoined the Army to fight in the American Civil War. Despite his age, he quickly rose up the ranks and was appointed a brigadier general in early 1862. During the war, he took part in the Northern Virginia Campaign, the Battle of Antietam, and the Battle of Chancellorsville. His most notable contribution during the war was his defense of the Union right flank at Culp's Hill during the Battle of Gettysburg. He returned to engineering work after the war until his death in 1899.