Which famous American general planned d day?

The famous American general who planned D-Day was General Dwight D. Eisenhower. As Supreme Commander of the Allied Expeditionary Forces during World War II, he played a crucial role in coordinating the invasion of Normandy on June 6, 1944. Eisenhower's leadership and strategic vision were instrumental in the success of this pivotal operation, which marked a significant turning point in the war against Nazi Germany.