Nixon White House TapesTape 435 › Conversation 435-027

Nixon & Bull on Personnel identification and White House logistics

Monday, May 14, 1973 · 3:36 PM–3:37 PM ET · Old Executive Office Building ·30 sec

ParticipantsNixon, Richard M. (President);  Bull, Stephen B.Conversation435-027 onTape 435StartMonday, May 14, 1973 at 3:36 PMEndMonday, May 14, 1973 at 3:37 PMRecording deviceOld Executive Office BuildingSourceNixon Library record for 435-027 ↗

President Nixon and aide Stephen B. Bull briefly conferred regarding the identity of an individual, likely named Mark, who had been observed in the vicinity. The brief exchange focused on verifying this person's presence before Nixon subsequently met with an unidentified man to discuss the removal of specific materials. The conversation serves primarily as a logistical check preceding a sensitive, short-duration meeting.

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I don't know if you can see it, but I think it was Mark.
I think it was Mark.

On May 14, 1973, President Richard M. Nixon and Stephen B. Bull met in the President's office in the Old Executive Office Building from 3:36 pm to 3:37 pm. The Old Executive Office Building taping system captured this recording, which is known as Conversation 435-027 of the White House Tapes.

Conversation No. 435-27

Date: May 15, 1973
Time: 3:36 pm-3:37 pm
Location: Executive Office Building

The President talked with Stephen B. Bull.

[See Conversation No. 46-59]

                                                               Conversation 435-44

Date: May 15, 1973
Time: 3:37 pm
Location: Executive Office Building

The President met with an unknown man.

       Removal of something

The unknown man left at 3:37 pm.
  • 435-028 3:37 PM · 9 sec — President Richard M. Nixon and White House operator met in the President's office in the Old Executive Office Building at an unknown time between 3:37 pm and 3:38 pm.
  • 435-029 3:38 PM · 2 min — President Richard M. Nixon and George P. Shultz met in the President's office in the Old Executive Office Building from 3:38 pm to 3:42 pm.
  • 435-030 3:42 PM · 8 sec — President Richard M. Nixon and White House operator met in the President's office in the Old Executive Office Building at an unknown time between 3:42 pm and 3:44 pm.
  • 435-031 3:44 PM · 5 min — President Richard M. Nixon and Alexander M. Haig, Jr. met in the President's office in the Old Executive Office Building from 3:44 pm to 3:51 pm.
  • 046-029 3:51 PM · 36 sec — President Richard M. Nixon and Stephen B. Bull talked on the telephone from 3:51 pm to 3:52 pm.
  • 435-032 3:51 PM · 3 min — President Richard M. Nixon and Alexander M. Haig, Jr. met in the President's office in the Old Executive Office Building at an unknown time between 3:51 pm and 4:19 pm.
  • 435-033 3:51 PM · 11 sec — President Richard M. Nixon and White House operator met in the President's office in the Old Executive Office Building at an unknown time between 3:51 pm and 4:19 pm.
  • 436-010 3:51 PM · 15 sec — President Richard M. Nixon and White House operator met in the President's office in the Old Executive Office Building at 3:51 pm.

Conversation 435-027, May 14, 1973. White House Tapes, Richard Nixon Presidential Library and Museum, National Archives. Audio and AI transcript via Easy Nixon, https://www.easynixon.org/tapes/435-027 (accessed September 18, 2026).