About this recording 482–23 President Richard M. Nixon UNKNOWN April 19, 1971 Unknown Richard M. Nixon Conversation No. 482-23 Date: April 19, 1971 Time: 4:54 pm Location: Oval Office The President met with an unknown person. Schedule The unknown person left at 4:54 pm. Secret White House Tapes | Richard M. Nixon Presidency 482–23 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