About
U.S. Army officer and American Civil War Union general who fired the first shot in the Civil War's first battle.
Before Fame
He worked as a surveyor and a civil engineer before entering the United States Military Academy in 1858.
Trivia
He has often been inaccurately credited with inventing baseball.
Family Life
His father was named Ulysses F. Doubleday.
Associated With
He and Thomas Edison both belonged to the Theosophical Society.