Through clear-eyed arguments and ceaseless advocacy, Australian philosopher Peter Singer has revolutionized modern philanthropy—twice. His 1972 essay “Famine, Affluence, and Morality” argued ...

Pillay is an editorial fellow at TIME. Courtesy Alletta Vaandering Through clear-eyed arguments and ceaseless advocacy, Australian philosopher Peter Singer has revolutionized modern philanthropy ...

Re “The Lesson From a Nobel Laureate’s Chosen Death,” by Katarzyna de Lazari-Radek and Peter Singer (Opinion guest essay, April 20): I admire and respect Daniel Kahneman’s decision to end ...