Actor and comedian Robin Williams is known for his fast-paced, improvisational performance style. He performed in films like Good Will Hunting and Dead Poets Society.

Swimmer Michael Phelps has set the record for winning the most medals, 22, of any Olympic athlete in history.

Kerri Walsh-Jennings is a professional beach volleyball player and three-time Olympic gold medalist. She is the longtime competitive partner of Misty May-Treanor.

Misty May-Treanor is a professional beach volleyball player and three-time Olympic gold medalist. She is the longtime competitive partner of Kerri Walsh-Jennings.

American gymnast Jordyn Wieber is best known as the first U.S. Olympic women's gymnastics team member to hail from Michigan.

Olympic gymnast Gabby Douglas is best known as the first African American to win the individual all-around event. She also won a team gold medal for the U.S. at the 2012 Summer Olympics.

American gymnast Aly Raisman won two gold medals and a bronze at the 2012 Summer Olympic Games, held in London.

Swimmer Michael Phelps has set the record for winning the most medals, 22, of any Olympic athlete in history.

Ryan Lochte is an American swimmer who has won 11 Olympic medals in the sport, including five golds.

Jamaican sprinter Yohan Blake holds the world record for the 4-by-100-meter relay. In 2012, he won a silver medal in both the 100-meter and 200-meter races, losing to rival and fellow Jamaican Usain Bolt in both events.

Usain Bolt became the first man in Olympic history to win both the 100-meter and 200-meter races in world record times in 2008. Four years later, at the London Olympics, he became the first man to win gold medals in both the 100 and 200 at consecutive Olympic Games and the first man in history to set three world records in a single Olympic Games competition.

Daniel Craig is an English actor who has played a wide varity of roles but is best known for playing the most recent incarnation of James Bond.

Queen Elizabeth II of Great Britain was crowned in 1953. Her 60 years on the throne was celebrated in June 2012, with the Diamond Jubilee.

American gymnast McKayla Maroney won a gold medal with the U.S. Olympics gymnastics team and a silver medal for the vault at the 2012 Summer Olympics.