Leakey made important contributions to our understanding of human origins through his fossil finds. He later gained fame for taking on poachers who threatened to wipe out Kenya's elephants and rhinos.
Long before she became one of America's most beloved TV personalities, Betty White, who died just shy of her 100th birthday, was among the hardest working and most capable artists in her industry.
Julien starred opposite a young Richard Pryor in the 1973 movie The Mack. In addition to his pivotal work onscreen, he co-wrote and co-produced Cleopatra Jones.
Dan Reeves is the only person in NFL history to have multiple Super Bowl appearances as both a player and coach. He also has the third-most Super Bowl appearances.
Archbishop Emeritus Desmond Tutu, who died last Sunday, chose to be aquamated, a more environmentally friendly alternative to cremation. It is 90% more energy efficient than a traditional cremation.
TV favors the young — but Betty White only got more famous as she got older. White's career began in the earliest days of television, and she was active until her death at the age of 99.