About this recording 893–11 President Richard M. Nixon UNKNOWN April 11, 1973 Unknown Richard M. Nixon Conversation No. 893-11 Date: April 11, 1973 Time: Unknown between 11:50 am and 11:51 am Location: Oval Office The President met with an unknown man. President’s schedule -Meeting with Gregorio Lopez-Bravo de Castro -Duration -Photograph The unknown man left at an unknown time before 11:51 am. Secret White House Tapes | Richard M. Nixon Presidency 893–11 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon