(as mentioned on the cover page of the booklet). Spivak pronouns Spivak used a set of English gender-neutral pronouns in his book The Joy of TeX, which are often referred to as Spivak pronouns. (Spivak stated that he did not originate these pronouns.) Bibliography Calculus on Manifolds: A Modern Approach to Classical Theorems of Advanced Calculus, (1965, revised 1968) Calculus, (1967, 4th ed. 2008) A Comprehensive Introduction to Differential Geometry, (1970, revised 3rd ed. 2005) The Joy of TeX: A Gourmet Guide to Typesetting with the AMS-TeX Macro package, (1990) A Hitchhiker's Guide to the Calculus, (1995) See also Stable normal bundle Spivak pronoun Notes References External links Publish or Perish, Inc., company owned by Spivak 17 (Seventeen) and Yellow Pigs Michael Spivak @ Everything2.com Michael D. Spivak, 1940-2020, obituary in TUGboat by Barbara Beeton 1940 births 2020 deaths American textbook writers American male non-fiction writers 20th-century American mathematicians Differential geometers Mathematical analysts Princeton University alumni People from Queens, New York Mathematicians from New York (state) Topologists Harvard University alumni