1930 Landsteiner. Nobel Prize in Physiology/Medicine for discovery of human blood groups.
1932 Form establishes 1st blood bank in Leningrad hospital & studies clinical use of cadaver & placental blood.
1937 Cook County, USA hospital establishes blood bank.
1937 Landsteiner & Wiener elucidate Rhesus Blood Group System.
1937 Patek & Taylor identify anti-haemophilic Factor VIII.