As a photographer for Life and Fortune magazines, Margaret Bourke-White traveled to Russia in the 1930s, photographed the Nazi takeover of Czechoslovakia in 1938, and recorded the liberation of Buchenwald at the end of WWII. In 1949, Life sent her to South Africa to take photographs in a country that was becoming racially polarized by white minority rule. Life published two photo-essays highlighting Bourke-White's photographs,...