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Richard Ryder

Richard is a writer, psychologist, and animal rights advocate. He coined the term “speciesism” in 1970 and was one of the first to use the term “Sentientism” in a positive light, after it was first used in a derogatory sense by John Rodman in 1977 to criticise Peter Singer and Richard’s thinking.

Richard developed the term sentientism in a naturalistic context – using evidence and reason to infer sentience and to grant moral consideration to sentient beings. Richard still considers himself a Sentientist in this naturalistic context today. He has also developed painism, a sub-set of the sentientist worldview that focuses on the moral importance of pain over that of positive experiences and aims to resolve the tensions between rights and utilitarian approaches.

Richard on Wikipedia

Latest work

Headshot of Matthew Halteman smiling towards the camera.

A Joyful Journey Towards an Edenic Vision – Matthew Halteman ‪on Sentientism ep:221

Matthew Halteman is professor of philosophy at Calvin University‬ & a fellow in the Oxford Centre for Animal Ethics. A Sentientism conversation.
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A Joyful Journey Towards an Edenic Vision – Matthew Halteman ‪on Sentientism ep:221

Matthew Halteman is professor of philosophy at Calvin University‬ & a fellow in the Oxford Centre for Animal Ethics. A Sentientism conversation.
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The Wood Wide Web and Do Plants Feel Pain? – Forest Ecologist Justine Karst on Sentientism ep:220

Justine Karst is Associate Professor at the University of Alberta in Canada. A Sentientism conversation in part about the wood wide web and whether plants feel pain.
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Free “Teaching the Sentientism Worldview” webinar – Jan 23

Happy New Year and a Happy New Term! Our FREE “Teaching the Sentientism Worldview” webinar for the Spring term is on Jan 23rd from 16:00-17:30 UK time. Sign up at Eventbrite […]
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