Murray Gell-Mann is 81 years old (birthdate: September 15, 1929).
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Murray Gell-Mann is an American physicist who may be best known for receiving the 1969 Nobel Prize in physics for his work on the theory of elementary particles.
From James Joyce's book Finnegan's Wake from the line "three quarks for muster mark" BTW, Quark is a German cheese. It is kinda like pureed cottage cheese with a little sour cream added. I like it.