Theoni Pappas

Theoni Pappas (born 1944) is an American mathematics teacher known for her books and calendars concerning popular mathematics.

Pappas is a graduate of the University of California, Berkeley, and earned a master's degree at Stanford University. She became a high school mathematics teacher in 1967.

She is the author of books including: *''Mathematics Appreciation'' (1986) *''The Joy of Mathematics'' (1986) *''Greek Cooking for Everyone'' (with Elvira Monroe, 1989) *''Math Talk: Mathematical Ideas in Poems for Two Voices'' (1991) *''More Joy of Mathematics: Exploring Mathematics All around You'' (1991) *''Fractals, Googols, and Other Mathematical Tales'' (1993) *''The Magic of Mathematics: Discovering the Spell of Mathematics'' (1994) *''The Music of Reason: Experience the Beauty of Mathematics through Quotations'' (1995) *''Math for Kids & Other People Too!'' (1997) *''The Adventures of Penrose: The Mathematical Cat'' (1997) *''Mathematical Scandals'' (1997) *''Math-a-Day: A Book of Days for Your Mathematical Year'' (1999) *''Mathematical Footprints: Discovering Mathematical Impressions All around Us'' (1999) *''Math Stuff'' (2002) *''Further Adventures of Penrose the Mathematical Cat'' (2004) *''Mathematical Snippets: Exploring Mathematical Ideas in Small Bites'' (2008) *''Numbers and Other Math Ideas Come Alive'' (2012) *''Do the Math! Math Challenges to Exercise Your Mind'' (2015) *''More Math Adventures with Penrose the Mathematical Cat'' (2017) *''Mathematical Journeys: Math Ideas and the Secrets They Hold'' (2021)

Additionally, she has written a series of annual mathematics calendars in various editions. Provided by Wikipedia