👤 whose
Whose discovery of blood groups made safe transfusions possible?
ScienceMedicine
Quick Answer
Karl Landsteiner discovered the ABO blood groups in 1901. His work made modern blood transfusion much safer.
The Full Story
Karl Landsteiner, an Austrian scientist, identified the ABO blood group system in 1901. He showed that blood from different people could react dangerously if mixed without compatibility. This discovery made safer transfusions possible and transformed surgery and emergency medicine. Landsteiner received the 1930 Nobel Prize in Physiology or Medicine for his work on blood groups.
Key Facts
1.1901: ABO blood groups identified
2.The discovery improved transfusion safety
3.1930: Landsteiner won the Nobel Prize
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