Yami Lester

[2] After the mist passed, his family's camp experienced sudden deaths, outbreaks of skin rashes, vomiting, diarrhoea and temporary and permanent blindness.

It is generally accepted that this black mist was fallout from British nuclear tests at Maralinga and Emu Junction which were taking place at that time.

[4][5] His actions helped lead to the McClelland Royal Commission in 1985, which found significant radiation hazards still existed at the Maralinga test sites.

As a young man, he joined the Aboriginal Advancement League in Adelaide, but he wanted to take more direct action, in the manner of Charles Perkins, probably the most prominent Indigenous activist at that time.

He worked as an organiser and interpreter assisting the handover of freehold title to the Anangu people in 1981, which came about as a result of the Pitjantjatjara Land Rights Act, (SA).