Date (happened)
  • 19 May 1972 (probable)
    derived from the event's own title: "Neville's May 19, 1972 lecture"
  • 19 May 1972
    Passage 526454, delivered 1972-05-25, calls it 'the last lecture night, Friday night.'
Told / reported
25 May 1972
Lecture 27 has a certain exact delivery claim for 1972-05-25.