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Daniel Kolak

b. 1955 · A portrait

A philosopher argues there is only one subject of experience, appearing to itself as every conscious being in history. Few philosophers of personal identity have taken the claim up directly.

How to read it

The line above is how his claims were received — by the scientists whose job was to doubt them. It rises as a claim is tested and accepted, and the room brightens with it. It is not a verdict on truth: some accepted ideas are later overturned, and some rejected ones come back. A hollow point is a claim still open.

drag along the line to travel
1 of 4 · 1990 · proposed

Zuboff's precedent

Philosopher Arnold Zuboff independently published "One Self: The Logic of Experience" in the journal Inquiry, arguing the boundary between one conscious being and another is a matter of perspective, not a fixed metaphysical fact.

2 of 4 · 2004 · proposed

I Am You

Kolak coined "open individualism" in this book, published in Springer's Synthese Library, arguing from thought experiments about splitting and merging minds against Derek Parfit's reductionist account of identity in Reasons and Persons (1984).

3 of 4 · 2000s–10s · proposed

Limited uptake

The book drew little direct citation or engagement within the academic personal-identity literature; most philosophers went on debating Parfit's reductionist framework rather than taking up Kolak's alternative directly.

4 of 4 · 2025 · contested

Zuboff, with Nagel

Zuboff published Finding Myself, a related defense of the same underlying view, with a foreword by philosopher Thomas Nagel, who called the central claim "incredible, even outrageous," but judged it argued carefully enough not to dismiss.

Not rejected outright. Just rarely taken up by the philosophers it argues against.
What the theory leaves open is whether a puzzle about splitting minds should change how you treat the people you meet.
scroll to walk
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