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 Backward Play Stop Forward Download audio Previous 892-009b Next 894–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 894–1 audio icon 428–1 audio icon 894–10 audio icon 428–10 audio icon 428–11 audio icon 894–11 audio icon 894–12 audio icon 428-012a audio icon 428-012b audio icon 428–13 audio icon