From the monthly column “Antigravity,” by Steve Mirsky, in Scientific American on November 11, 2002:

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It happens this way sometimes. Just as Leibniz and Newton independently invented the calculus, certain scientific advances just seem to be in the air. Throw in the fact that most scientists are male, and perhaps it begins to explain why you couldn’t swing Schrödinger’s cat in September without hitting breaking news about penises.