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Leslie Allan

Leslie is a public speaker and philosopher. While studying philosophy and the history of religions at La Trobe University in Melbourne, Australia, he received the David Hume prize for outstanding achievement in philosophy. He created and runs Rational Realm, which hosts writing by Leslie and other authors taking a rational approach to philosophy, history and science. He is a Humanist and has written popular articles and academic papers (for example, Animal Rights and the Wrongness of Killing) about how a naturalistic worldview should lead us to grant moral consideration to other sentient beings.
@leslieallan
Leslie at RationalRealm

Latest work

Head and shoulders shot of Isabella La Rocca Gonzalez looking towards the camera.

Censored Landscapes

Isabella is an artist, writer, photographer, teacher and activist. She is the author of "Censored Landscapes." A Sentientism conversation about what's real, who matters and how to make a better world.
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Censored Landscapes

Isabella is an artist, writer, photographer, teacher and activist. She is the author of "Censored Landscapes." A Sentientism conversation about what's real, who matters and how to make a better world.
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London Meetup 7 Dec (+ other updates)

London Sentientism meetup on 7th Dec 2025!
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Religious people and atheists should team up to help animals

David Clough is Professor and Chair in Theology and Applied Sciences at the University of Aberdeen. A Sentientism conversation about what's real, who matters and how to make a better world.
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