Best known for her roles on The Wonder Years and The West Wing, Danica McKellar is also a three-time New York Times bestselling author, internationally-recognized mathematician and advocate for math education. A summa cum laude graduate of UCLA with a degree in Mathe-matics, Danica has been honored in Britain's esteemed Journal of Physics and the New York Times for her work in mathematics, most notably for her role as co-author of a ground-breaking mathematical physics theorem which bears her name (The Chayes-McKellar-Winn Theorem).

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