About this recording 900–29 President Richard M. Nixon UNKNOWN April 18, 1973 Unknown Richard M. Nixon Conversation No. 900-29 Date: April 18, 1973 Time: 12:11 pm - 12:12 pm Location: Oval Office The President met with an unknown man. President’s schedule -Dr. Rainer Barzel -Timing The unknown man left at 12:12 pm. Secret White House Tapes | Richard M. Nixon Presidency 900–29 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