Jan 11, · Actress Danica McKellar, the adorable Winnie Cooper on the s/90s hit television series The Wonder Years, is all grown up now, and married with a child. The stunner, author of four math books for girls, also has a beautiful mind. Also a best-selling author, McKellar has written 4 books on Math titled ‘Math Doesn’t Suck’ in , ‘Kiss My Math’ in , ‘Hot X: Algebra Exposed’ in and ‘Girls Get Curves: Geometry Takes Shape’ in Danica McKellar – Husband. McKellar began dating composer Mike Verta in and married him in March Danica McKellar, Actress: The Wonder Years. Together with her younger sister, Crystal McKellar, she began acting at a young age in her mother's dance studio. In the family moved to Los Angeles and a few years later she appeared in her first commercial.