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.
Iwan Rheon , Alexandra Roach , Katy Wix , Steffan Rhodri , Mark Lewis Jones , Phaldut Sharma , Alexandria Riley , Paul Rhys , Aneurin Barnard , Nathan Sussex
BBC
