A Family Name Inspired by Everett and Nash

Why it attracts me

Two thinkers from very different fields keep showing up in how I think. Hugh Everett (Hugh Everett: Quantum Measurement Without Collapse) asked how quantum theory should describe a measurement, and the observer making it, when more than one result is possible. John Nash (John Nash: When No One Gains by Switching) asked how choices settle when each person's best move depends on what the others do. A family name inspired by both is my way of keeping those two questions close. It is a tribute and a hope more than a statement of belief.

The idea

The two halves come from separate work. In 1957 Everett proposed letting the same smooth rule of quantum theory apply to everything, measuring devices and observers included, with no special collapse at the moment of measurement. Each possible result is then paired with an observer's record of that result. Later writers called this "many worlds" (The Many-Worlds Reading of Quantum Physics), and physicists and philosophers still argue about what it means, especially how probability fits in. In 1950 Nash showed that every game with a limited number of players and options has at least one stable point, as long as players may mix their choices at random. At that point no one gains by changing only their own choice while the others keep theirs. Stable is not the same as best, and his work says nothing about souls or meaning.

What I think (and don't know)

For me the pairing stands for three things: branching possibilities, choices made alongside other people who are also choosing, and lessons carried from one step into the next (Life as an Evolving Game). That is a personal picture, not a theory. Everett's work does not say that people choose branches, and Nash's does not describe the purpose of a life. Neither man proposed the link I draw between them. I also do not know whether the larger picture I sometimes imagine, that separate lives might be viewpoints of one shared awareness (Many Minds, One Shared Awareness), is true. And like any name, this one leaves room for others to find a completely different meaning in it.

Where it connects

The name sits where several parts of this map meet. Mapping the Futures a Choice Opens gives the branching picture a practical form: drawing out the futures a choice opens. A Universe Learning About Itself is the image of a universe learning about itself; the name is a family symbol of wonder and contribution, not evidence for that image. And Fatherhood as a Source of Purpose keeps it grounded. A name is chosen once, but what it comes to mean depends on many ordinary days.

An example

Imagine a free evening with three options: study a hard idea, call a friend, or rest. The branching picture, used loosely, says each option opens a different path, and whoever takes it is slightly changed before the next choice. The Nash picture adds that the friend is choosing too, so how the call goes depends on both people. Neither picture says which option is right, and the branches here are a way of picturing options, not a claim about quantum physics. Together they remind me that a choice is both a fork in the road and a meeting with someone else.

Questions I am still carrying

• Can a name carry a hope without becoming an expectation?
• How do I honor two scientists without suggesting they shared my beliefs?
• Which parts of this picture will still feel true to me in twenty years?

Questions I'm still exploring

• Can a name carry a hope without becoming an expectation?
• How do I honor two scientists without suggesting they shared my beliefs?
• Which parts of this picture will still feel true to me in twenty years?

Sources and further reading

• Jeffrey Barrett, “Everettian Quantum Mechanics,” Stanford Encyclopedia of Philosophy — Explains Everett's 1957 relative-state formulation and the competing ways it has been read since. It does not support the personal meaning I give the name.
• NobelPrize.org, “John F. Nash Jr. – Facts” — The 1994 prize, shared, “for their pioneering analysis of equilibria in the theory of non-cooperative games”: games in which each player chooses independently.