1) John F. Kennedy: John F. Kennedy served as the 35th President of the United States from January 1961 until his assassination in November 1963. He is remembered for his charismatic leadership, commitment to civil rights, and his handling of the Cuban Missile Crisis.
2) Lyndon B. Johnson: Lyndon B. Johnson assumed office as the 36th President of the United States following President Kennedy's assassination in 1963. He served until 1969. Johnson is known for his landmark domestic policy achievements, including the Civil Rights Act of 1964 and the Medicare program, as well as his escalation of U.S. involvement in the Vietnam War.