Archie Cochrane, scientist with a connection to Wales (Cardiff)
Archie CochraneFounder of Cochrane Collaboration, Cochrane library, Cochrane reviews. UK Cochrane Centre in Oxford.
Connection: Conducted much of his groundbreaking medical research in Wales. Cochrane archive is in Llandough Hospital, part of Cardiff University School of Medicine.
Pioneered the use of randomised controlled trials (rcts) within science and medicine.