Susan Williams is an historian and author of many books, most recently Spies in the Congo. The Race for the Ore that Built the Atomic Bomb (2016) and Who Killed Hammarskjöld? The UN, the Cold War and White Supremacy in Africa (2011), which triggered a new UN investigation in 2015 into the death of the Secretary General. She grew up in Zambia and has worked in Britain, Zimbabwe and Canada. She is a Senior Research Fellow at the Institute of Commonwealth Studies, School of Advanced Study, University of London.