Abner Doubleday, he was thought to have invented the game but recent analysis has proved this for the most part false.
General Abner Doubleday
The Union commander was Ulysses S. Grant
ANSWER The Union commander at the Hornet's Nest was the Major General Benjamin Mayberry Prentiss.
The job of commander of the Union Forces was offered to Robert Edward Lee.
The commander I think you are talking about is Ulysses S. Grant
General Meade became Commander of Union Army of the Potomac after its former commander Gen. Joseph Hooker's dismissal of June 28, 1863.
General Lyons was the Union Commander in Missouri, who fought and died at the battle of Wilson's Creek.
Robert Anderson was the commander at Ft. Sumter .
George Meade
bob
McDowell
Ulysses Grant