A.C. Hoffmann (†09-09-1969)
Foreign Member
Natural Sciences
Alastair Frazer (†14-06-1969)
Foreign Member
Natural Sciences
Rudolf Egger (†07-05-1969)
Foreign Member
Humanities
Hendrik Wiegersma (†06-04-1969)
Foreign Member
Arts
Arnold Van Lantschoot (†23-01-1969)
Foreign Member
Humanities
Václav Hlavatý (†10-01-1969)
Foreign Member
Natural Sciences
Everhard Slijper (†14-12-1968)
Foreign Member
Natural Sciences
Gillis Holst (†11-10-1968)
Foreign Member
Natural Sciences
Aristide Calderini (†15-09-1968)
Foreign Member
Humanities
Friedrich Lütge (†25-08-1968)
Foreign Member
Humanities