Ingrid Newkirk (born June 11, 1949) is an animal rights activist. She started People For the Ethical Treatment of Animals (PETA) in 1980 with Alex Pacheco. It is the world's biggest animal rights organization. In 2007 HBO showed a documentary called I Am an Animal: The Story of Ingrid Newkirk and PETA. In 2010 Jezebel called Newkirk 'The Worst Person in the World'.
- "Ingrid Newkirk: 'It's bizarre to kill animals for a sandwich'". The Independent. 17 November 2013.
- "I Am an Animal: The Story of Ingrid Newkirk and PETA" – via www.imdb.com.
- Sauers, Jenna. "Ingrid Newkirk Is The Worst Person In The World". Jezebel.