In 1957 Goldberg joined the Communist Party ( which had been banned in 1950 ) . He was arrested on 30 March 1960 for supporting strikers in the townships in the aftermath of the Sharpeville massacre on 21 March 1960 . Along with his mother , he spent four months in prison without trial and subsequently lost his job working on the construction of the Athlone Power Station , which added to the burden placed on Esme ; faced with similar circumstances , several comrades left the country
Sharpeville massacre
Sharpeville massacre
Denis Goldberg