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    Michael David Spivak is a mathematician specializing in differential geometry, an expositor of mathematics, and the founder of Publish-or-Perish Press.

    Author of The Hitchhiker's Guide to Calculus. ISBN 09-014098-23-3

    Also inventor of The Spivak pronouns, which are a proposed set of gender-neutral pronouns in English. They are used as non-sexist language by some people who dislike the more common alternatives "he/she" or singular they.

    The (new) Spivak pronouns are formed from the pronoun "they" by dropping the "th".

    where the 17's and the yellow pigs come from

    Related: 17, Wikipedia:Michael Spivak, Wikipedia:Spivak pronoun

    Mickael Spivak Photography (but is this the same person?)

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