Daniel Clive "Dan" Wheldon (22 June 1978 – 16 October 2011) was a British racing driver from England. He was the 2005 Indy Racing League IndyCar Series champion, and winner of the Indianapolis 500 in both 2005 and 2011. Wheldon died from injuries shortly after a collision at the 2011 IZOD IndyCar World Championship at Las Vegas Motor Speedway on 16 October 2011, at the age of 33. His last tweet, at 12:48 pm, only a few minutes before the crash that ended his life, was "Green!"

Wheldon, who was born in Emberton, near Olney, Buckinghamshire, England, took up karting at the age of four with funding from his father. He progressed through the junior ranks of motor racing during his school years. Attending Bedford School until he completed his GCSEs at age 16, he frequently took time off to race. During his early career in open wheel racing, he developed a rivalry with Jenson Button before ultimately leaving the United Kingdom to race in America. The reasoning behind the move was that the level of investment needed to fund his racing career in the UK was beyond his family's resources. Moving to the United States in 1999, he spent several years in lower open-wheeled circuits like the U.S. F2000 Championship Series, the Toyota Atlantic series and the Indy Lights series.

David Michael Letterman (born April 12, 1947) is an American television host and comedian. He hosts the late night television talk show, Late Show with David Letterman, broadcast on CBS. Letterman has been a fixture on late night television since the 1982 debut of Late Night with David Letterman on NBC. Letterman recently surpassed friend and mentor Johnny Carson for having the longest late-night hosting career in the United States of America.

Letterman is also a television and film producer. His company Worldwide Pants produces his show as well as its network follow-up The Late Late Show with Craig Ferguson. Worldwide Pants has also produced several prime-time comedies, the most successful of which was Everybody Loves Raymond, currently in syndication.

In 1996, David Letterman was ranked #45 on TV Guide's 50 Greatest TV Stars of All Time.

Letterman was born in Indianapolis, Indiana. His father, Harry Joseph Letterman (April 1915 – February 1973), was a florist of British descent; his mother Dorothy Letterman (née Hofert, now Dorothy Mengering), a Presbyterian church secretary of German descent, is an occasional figure on the show, usually at holidays and birthdays.