Danica McKellar is an American actress, mathematics writer, and education advocate, who is best known for her role in the television series ‘The Wonder Years’. She had always been passionate about acting and joined acting classes at the age of 7. Danica McKellar started her acting career as a child artist in television commercials and also acted in a couple of episodes of a popular television show ‘The Twilight Zone’. She then got a significant role in a popular American television comedy drama ‘The Wonder Years’ that gave her a lot of fame and recognition. The show ran for six seasons and after it got over, Danica McKellar took a break from acting to focus on her studies and she majored in Mathematics. She has written four books on mathematics and has been able to encourage and inspire numerous teenage girls to develop interest in the subject. Danica has given guest appearances in many of the television shows and has also written and directed two short films. She has won many awards and honors for her efforts in encouraging young girls to have confidence to do well in mathematics.