About Mark Tewksbury
Mark Roger Tewksbury, is a Canadian former competitive swimmer. He is best known for winning the gold medal in the 100-metre backstroke at the 1992 Summer Olympics. He also hosted the first season of How It's Made, a Canadian documentary series, in 2001. American Jeff Rouse, world record holder in the 100m backstroke, had beaten Tewksbury at the 1991 Pan Pacific Games and 1991 World Aquatics Championships the year before and was heavily favored to win gold. He competed at the 1988 Summer Olympics in Seoul, South Korea, and won a silver medal as a member of Canada's relay team.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.