That's hard to answer. Both Lyndon Johnson and Richard Nixon were very involved in Vietnam in somewhat different ways.
Granting amnesty to America who evaded the Vietnam draft by President Jimmy Carter was called the most disgraceful thing a president has ever done.
ANSWER Ho Chi Minh was the president of North Vietnam during the Vietnam War his original name was Nguyen Tat. Diem was the president of South Vietnam. Diem was assassinated Nguyen Van Thien was the president of South Vietnam after him.
Probably the most important citizen of Vietnam during the Vietnam War period was Ho Chi Minh. He was the president of North Vietnam and considered a hero to many.
Lyndon Johnson authorized this and most of the military operations in Vietnam.
Nguyen Thi Doan is the Vice President of Vietnam.
Thieu was president, until North Vietnam conquered his country (South Vietnam).
LBJ sent the most. In 1968 it was the largest draft.
The war began when President Eisenhower sent US Advisers to Vietnam in 1955; however most historians consider the starting date of the war to be 1961, when President Kennedy sent the Special Forces (Green Beret) to Vietnam.
Ford was President when South Vietnam fell to the communists (North Vietnam).
Henry A. Kissinger
President Johnson believed that the US could defeat north Vietnam because the US had won WWII with firepower, and the US had the most firepower on earth during the Vietnam War.
The latest president, at the time of South Vietnam's fall was President Nguyen Van Thieu.