Achieved iconic success at age 51 when she joined the Mary Tyler Moore Show in 1973
Laura Ingalls Wilder
Published her first "Little House on the Prairie" book in 1932 when she was age 65
Achieved real success at age 41 when she published her first book, Entertaining.
Her wedding in 1989 at age 40 was the beginning of her success when she decided she wanted to become a designer, opening her first bridal boutique the following year.
Along with her husband, Tim, when they both turned 42, they gave up their legal careers to write their first restaurant guides. Their company is part of Google now.
At age 40 in 2000, Robin was taking some time off work to be with her children when she and her friend, Antje Danielson, came up with the car-sharing company, Zip Car.
Julia didn’t publish her first cookbook until age 39; then, at age 51, she made her television debut as The French Chef.
Anna Mary Robertson
Known as “Grandma Moses,” Anna Mary was an entirely self-taught artist who didn’t achieve success until she was in her 70’s when an art collector saw her paintings and bought them all. A year later, her work was on exhibit with other unknown artists at the Museum of Modern Art in New York.
Finally achieved widespread recognition at age 57 with the movie "The Hurt Locker".
At age 40, left everything she knew to live in India and establish the Missionaries of Charity.
Kathryn followed her dream to become an actress at age 40; she has since earned two Emmy's
At age 48, Susan Boyle sang professionally for the first time when she debuted on the British show "Britain's Got Talent" in 2009. Her debut album broke global sales records in the female vocalist category.