Danica McKellar is best-known for portraying girl-next-door Winnie Cooper in The Wonder Years - but she has also proven a math theorem (which bears her name) and writes books to inspire future mathematicians. Check out her math website and books at: https://mckellarmath.com And Danica’s general website at: https://danicamckellar.com Danica on Instagram: https://www.instagram.com/danicamckellar/ Danica’s books on Amazon: https://amzn.to/3VQdzny Danica’s co-authored paper which led to the Chayes–McKellar–Winn theorem: https://scienceblogs.de/geograffitico/wp-content/blogs.dir/70/files/2012/07/i-5bb4f4203312f2a650f3294cf4ddac13-percolation.pdf Brady’s dog Winnie: https://www.instagram.com/the_wonderful_winnie/ The Wonder Years: https://en.wikipedia.org/wiki/The_Wonder_Years Jane Street opportunities (episode sponsor): https://www.janestreet.com/join-jane-street/overview/ Jane Street’s Insight program as mentioned on the show: https://www.janestreet.com/join-jane-street/programs-and-events/insight/ Numberphile is also supported by the Simons Laufer Mathematical Sciences Institute: https://www.slmath.org You can support Numberphile on Patreon: https://www.patreon.com/numberphile Here are our Patrons: https://www.numberphile.com/patrons