Remembering History: Karl Landsteiner was the scientist who discovered blood groups in 1901. He is the father of modern transfusion and received the Nobel Prize in 1930 for his work. It would not be until 1937 that all the kinks in blood transfusion would be worked out. He also discovered the Polio virus. He was one of the men who helped make modern medicine possible.

Karl Landsteiner was the scientist who discovered blood groups in 1901. He is the father of modern transfusion and received the Nobel Prize in 1930 for his work. It would not be until 1937 that all the kinks in blood transfusion would be worked out. He also discovered the Polio virus. He was one of the men who helped make modern medicine possible.

Karl Landsteiner was the scientist who discovered blood groups in 1901. He is the father of modern transfusion and received the Nobel Prize in 1930 for his work. It would not be until 1937 that all the kinks in blood transfusion would be worked out. He also discovered the Polio virus. He was one of the men who helped make modern medicine possible.