Danica Mckellar

 Danica McKellar is an American actor and academic with a earned a net worth of $8.5 million. Danica McKellar started acting when she was a kid, appearing as an actor in "The Twilight Zone" episodes. When she was in 1988, McKellar was cast in the role that made her famous: Winnie Cooper in "The Wonder Years". It aired 115 shows over six seasons, between 1988 and 1993. In the following seasons, she was a guest on a variety of TV, films and movie projects including "Camp Cucamonga"," "Sidekicks",,"Babylon 5", "Walker, Texas Ranger" as well as "Working" in which she also was the voice of Freida Goren, who was the lead character in "Static Shock", an animated series. Since the mid-2000s She has been from guest appearances on TV dramas and voice work on various cartoons, including "The West Wing", "NCIS", "Jack and Bobby", "How I Met Your Mother", "Hack! " as well as "The Big Bang Theory".She has graduated from UCLA with a degree in Mathematics as well as co-wrote an theorem which has been named after her and her fellow mathematicians. Her bestselling New York Times book "Math doesn't stink How to Live Through Middle-School Math Without Losing your brain or breaking your nail" is hers too.