Robert Sargent Shriver Jr., better known as Sargent Shriver, created the Peace Corps while he was a senior member of John F. Kennedy's administration. He married Eunice Kennedy, sister of JFK and Robert Kennedy, and was known as the "architect" of President Lyndon B. Johnson's War on Poverty. He died in 2011.
His son, Mark K. Shriver, has just written a book, A Good Man  (Henry Holt, $24), about his father's life and legacy.
In this excerpt  at Huffington Post, Shriver shares the story of how his father came to organize JFK's state funeral.