is a peace builder, and the founder of the Oxford Research Group, a non-governmental organisation she set up in 1982 to develop effective dialogue between nuclear weapons policy-makers worldwide and their critics, for which she was
asks, "Who are we?" The question takes her to the Rift Valley in Eastern Africa, where she digs for the evolutionary origins of humankind — and suggests a stunning new vision of our competing ancestors.
Louise Leakey is a Kenyan
is an American physician and NASA astronaut. She became the first African-American woman to travel in space when she went into orbit aboard the Space Shuttle Endeavour on September 12, 1992. After medical school and a brief general pra