Yami Lester is a Yankunytjatjara man of northern South Australia who was blinded by a "black mist" - fallout from in the 1950’s. As a young man, he joined the Aboriginal Advancement League in Adelaide. However, he wanted to take more direct action. He began as a welfare worker and interpreter for the courts in Alice Springs and went on to work extensively in the areas of Aboriginal education and language and land rights. A significant contribution has been gaining recognition for the survivors of the atomic tests at Maralinga and Emu Field. He is now the Ambassador of the No Dump Alliance that has been successfully opposing the imposition of a nuclear waste dump in SA.