In Morriston Hospital in Swansea in 1994 a group of ordinary middle-aged Welsh men stepped into the unknown by taking part in the world's first medical trials for the drug that became Viagra.
1968
1961
1978
2007
2011
2008
2024
2003
2001
1973
1966
1988
1985
—
1960
1998
2004
2005
