An outpouring of sympathy for the widowed-First Lady.
Jazz musician Duke Ellington.
JFK Presidential Library
The wife of civil rights leader Medgar Evers, who was assassinated earlier that year.
JFK Presidential Library
Civil rights icon Dr. Martin Luther King.
JFK Presidential Library
Soviet leader Nikita Khrushchev (translation below).
It was with deep personal grief that I learned about the tragic death of your husband, President of the U.S. John F. Kennedy. All people who knew him greatly respected him, and I shall always keep the memory of my meetings with him. Accept my most sincere condolences and expressions of wholehearted sympathy with your grievous bereavement. N. Khrushchev.
JFK Presidential Library