John R. O'Brien
The basics
Quick facts
Gender:
Male
Work field:
Birth:
1915(London, Kingdom of Wessex, UK)
Death:
2002
The details
Biography
John Richard O'Brien (6 November 1915 - 27 October 2002), was a British haematologist, who worked on platelets, which he recognised the importance of in coronary thrombosis. Along with R. G. Macfarlane he gave the first description of Haemophilia B, then known as Christmas disease.