While a not-insignificant percentage of the Federal Bureau of Investigation’s activities under Director J. Edgar Hoover were driven by personal vendettas, few were as well-known – or as publicly vicious – as Hoover’s feud with civil rights leader Martin Luther King, Jr. That clash quite literally came to a head on December 1, 1964, when, at the urging of President Lyndon Johnson, Hoover invited King to FBI headquarters for their first - and only - face to face meeting, captured in a ten-page memo in King’s file.