 Ian Robertson, president in 1966, invited Senator Robert Kennedy to address South African Students.Other presidents included, John Didcott, Neville Rubin, Adrian Leftwich, Jonty Driver, Margaret Marshall, John Daniel, Paul Pretorius, Charles Nupen, Neville Curtis, Alex Boraine, 
Glenn Moss and Auret van Heerden.Several leaders of the organization were arrested, imprisoned, deported, or banned.