John Walter Gregory, FRS, FRSE, FGS (27 January 1864 – 2 June 1932) was a British geologist and explorer, known principally for his work on glacial geology and on the geography and geology of Australia and East Africa.
The Jonestown Death Tape (FBI No. Q 042) (archive.org)An audio recording made on November 18, 1978, at the Peoples Temple compound in Jonestown, Guyana immediately preceding and during the mass suicide and murder of over 900 members of the cult.