On August 1, 1973, there were 53 Charter Members of IASR:

  • ideo Anada
  • John Bancroft
  • Alan Bell
  • Robert Bell
  • Irving Bieber
  • Mary Calderone
  • Joseph Carrier
  • Barry Dank
  • Milton Diamond
  • Anne Ehrhardt
  • Ronald Farrell
  • Kurt Freund
  • John Gagnon
  • Paul Gebhard
  • Arnold Gerrall
  • Michael Goldstein
  • Robert Goy
  • Richard Green
  • Harry Harlow
  • Donald Hastings
  • Joseph Herbert
  • Preben Hertoft
  • Martin Hoffman
  • John Holloway
  • Evelyn Hooker
  • R. A. Laud Humphreys
  • John Hutchison
  • Barry Keverne
  • Lajos Koranji
  • Arye Lev-Ran
  • Roger Libby
  • Harold Lief
  • Rita Liljestrom
  • Jay Mann
  • Isaac Marks
  • Judd Marmor
  • Nathaniel McConaghy
  • Jon Meyer
  • Heino Meyer-Bahlburg
  • John Money
  • Herman Musaph
  • Ronald Nadler
  • Niles Newton
  • Ira Pauly
  • Wardell Pomeroy
  • Ira Reiss
  • Alice Rossi
  • Marcel Saghir
  • Philip Sarrel
  • Gunter Schmidt
  • William Simon
  • Robert Stoller (declined) 
  • Jan Trost
  • Richard Whalen