Famous Accomplishments made late in life

Granny D walks for a cause
At the age of 89, Doris "Granny D" Haddock began a 14-month walk across the US to raise awareness for a political campaign finance reform. She walked 16 kilometers a day, relying on strangers for housing and meals. In 2004, at age 94, she ran unsuccesfully for the US Senate

Peter Mark Roget Compliles his Thesaurus
At 61, Roget retired from medicine and began a scientific ordering of language. Following the publication of "Roget's Thesaurus" at age 73, he oversaw every update until his death at age 90.

Julia Child learns to cook
It was not until her mid-30s that Julia Child moved to France and decided to
master the art of French Cuisine. Despite a decade of rejection, she published her first cookbook, then appeared in her own TV series at 51.