Steven Erlanger, Paris bureau chief, New York Times
Simon Schama, professor of art history and history, Columbia University
Simon Winchester, author, The Professor and the Madman
Amanda Foreman, author, A World on Fire: An Epic History of Two Nations Divided
Britain's first female prime minister, Margaret Thatcher, died Monday following a stroke at the age of 87. Thatcher served for 11 years and was a highly divisive leader. She is remembered for implementing sweeping reforms of Britain's economy and for her key role in the demise of the Soviet Union.