Great Britain. Team members were Jason Gardner, Darren Campbell, Marlon Devonish, and Mark Lewis-Francis.
This article from a small local newspaper says that all members whether they swim the prelims or the finals receive a medal: http://northbrook.patch.com/articles/north-shore-swimmer-wins-olympic-medal-in-relay
Twice .... the 2000 Games in Sydney and 2004 Games in Athens. Geoff won a silver medal in 4x100 meter medley relay and a bronze medal in 100 meter butterfly at the 2000 Games.
Sprinter Marc Burns of Trinidad and Tobago has won 1 Olympic medal ... a silver in men's 4x100 meter relay at the 2008 Games in Beijing.
Woman,s 4_100 free style relay
1936 Berlin Olympics
Shirley Strickland won her first Olympic gold medal in 80 meter hurdles at the 1952 Games in Helsinki. She then won gold again in 80 meter hurdles and in 4x100 meter relay at the 1956 Games in Melbourne.
Yes. Maritza Correia won silver in the 4x100 meter freestyle relay at the 2004 Summer Games in Athens.
Gold medalists at the 2008 Games in the women's 4x100 meter relay was the team from Russia consisting of Evgeniya Polyakova, Aleksandra Fedoriva, Yulia Gushchina, and Yuliya Chermoshanskaya.
Mercy competed in three Olympics ... 1984 Games in Los Angeles, 1988 Games in Seoul, and 1996 Games in Los Angeles. She competed for Ghana in 400 meter run, 4x100 meter relay, and 4x400 meter relay without winning a medal.
They have a torch relay to show they care about the world.
Sprinter Darren Campbell of Great Britain has won two Olympic medals, a silver in men's 200 meter dash at the 2000 Games in Sydney and a gold in men's 4x100 meter relay at the 2004 Games in Athens.
0 ... Roger won three Olympic medals, two silver and one bronze. The silvers came at the 1996 Games in Atlanta in 400 meter run and 4x400 meter relay. The bronze was in 4x400 meter relay at the 1992 Games in Barcelona.