6 August 1966
References

Welsh, D. 1972. "Some Political and Social Determinants of the Academic Environment" in Hendrik Van Der Merwe and David Welsh (eds), NUSAS, ASB, NAFSAS, SASO, Student: Perspectives on South Africa. David Philip: Cape Town.| Joske W.D.,'Orr, Sydney Sparkes (1914”“1966)', from Australian Dictionary of Biography,[Online], Available at adb.anu.edu.au,[Accessed: 02 August 2013]