Today is Karl Landsteiner's 148th birthday.

Today is Karl Landsteiner's 148th posthumous birthday. Karl was an American, Jewish, Austrian biologist and physician. He died at the age of 75, in New York city and before his death was the person that first discovered the classification of blood groups.According to wikipedia:

        "Karl Landsteiner, ForMemRS[1] (June 14, 1868 – June 26, 1943), was a Jewish, Austrian and American biologist and physician.[2] He is noted for having first distinguished the main blood groups in 1900, having developed the modern system of classification of blood groups from his identification of the presence of agglutinins in the blood, and having identified, with Alexander S. Wiener, the Rhesus factor, in 1937, thus enabling physicians to transfuse blood without endangering the patient′s life. With Constantin Levaditi and Erwin Popper, he discovered the polio virus in 1909. He received the Aronson Prize in 1926. In 1930 he received the Nobel Prize in Physiology or Medicine. He was awarded a Lasker Award in 1946 posthumously and is recognized as the father of transfusion medicine."

 That means that Karl laid the foundation of blood transfusion. little facts about Karl: 1. He was a very private person and does not do well talking to or in crowd. 2. He was the first person to classify blood groups. 3. Landsteiner died of heart attack. 4. Karl Landsteiner discovered agglutinins. 5. Google has a doodle to celebrate his birthday. 6. He discovered polio.