Who Discovered Blood Types?

Blood transfusion definitely saves life lots of life. However, many patients from all around the world died until 1901.

Who: Austrian physician and Scientist, Karl Landsteiner discover human blood group! He published a paper dealing his discovery of the three main human blood groups: A, B, and C, which he later changes to O. His contributions spanned many areas of immunology, bacteriology and pathology over a prolific 40 year career.

First Successful Blood Transfusions..

In 1907 the first successful transfusions were achieved by Dr. Reuben Ottenberg of Mt. Sinai Hospital, New York, guided by Landsteiner's work.

Karl Landsteiner's work made it possible to determine blood groups and thus paved the way for blood transfusions to be carried out safely. For this discovery he was awarded the Nobel Prize in Physiology or Medicine in 1930*.

 

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Source:  Gates, Sara. "World Happiness Report 2013 Ranks Happiest Countries Around Globe."The Huffington Post. TheHuffingtonPost.com, 09 Sept. 2013. Web. 15 Oct. 2013* Blood Groups, Blood Typing and Blood Transfusions." Blood Groups, Blood Typing and Blood Transfusions. N.p., n.d. Web. 15 Oct. 2013