Ingrid Newkirk

Ingrid Elizabeth Newkirk is a British-American animal activist and the president of People for the Ethical Treatment of Animals, the world's largest animal rights organization. She is the author of several books, including The PETA Practical Guide to Animal Rights: Simple Acts of Kindness to Help Animals in Trouble and Animalkind: Remarkable Discoveries About Animals and Revolutionary New Ways to Show Them Compassion. Newkirk has worked for the animal-protection movement since 1972.