Date (happened)
  • before 1967 (possible)
    qualifying source passages 535122; telling lecture nids 1261
  • before 17 February 1967
    telling lecture nid 1261, certain delivery 1967-02-17
  • 17 February 1967
    delivery of 'Remembrance of Things Future' (nid 1261), the same lecture in which Neville reads the quotation
Told / reported
17 February 1967
Remembrance of Things Future (nid 1261), telling 1261-9, told 1967-02-17
Neville tells the audience about reading Richard Feynman's 1949 Nobel-winning paper on the positron and quotes two passages from it.