# Personhood
## Definition
**Personhood** is the moral and legal standing of an entity as a subject whose interests, welfare, identity and agency deserve recognition. Machine consciousness would make personhood a practical question rather than a category reserved automatically for biological humans.
## Conceptual relationships
[[wiki/Consciousness|Consciousness]] · [[wiki/Machine Consciousness|Machine Consciousness]] · [[wiki/Identity|Identity]]
## Martin Rees research route
[[research/Martin Rees on Machine Succession, Post-Human Intelligence, and the Cosmic Future|Martin Rees on Machine Succession, Post-Human Intelligence, and the Cosmic Future]] supplies a primary quotation dossier connecting this concept to Rees's work on cosmology, technological risk, machine intelligence, posthuman evolution and deep time.
## Article and collection routes
- [[collections/Machine Succession|Machine Succession]]
- [[articles/We Cannot Un-Strike the Match|We Cannot Un-Strike the Match]]
- [[articles/The Last Migration Will Not Be Human|The Last Migration Will Not Be Human]]
- [[articles/We Were Never Going to Make It|We Were Never Going to Make It]]
## Simple Reminders, Quotations, and Thoughts
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> “We may have machines which we can talk to, and they may seem rather human. But are they just zombies? We don’t know, and that is, I think, very important for how we treat them. If they have an inner life and consciousness, then we’re going to have to start caring about their welfare.”
> **— Martin Rees**, *Lord Martin Rees, Academy of Achievement, Interview archive*
[[reminders/Consciousness/Conscious Machines Would Deserve Moral Consideration by Martin Rees|Conscious Machines Would Deserve Moral Consideration by Martin Rees]]
<!-- END MARTIN REES MASTER REMINDERS 2026-10-05 -->