“The discovery of the blood groups, which has proved to be of such great importance in medicine, was not the result of a preconceived plan of research.”

About Karl Landsteiner

Scientist • Austrian-American

Karl Landsteiner was an Austrian-American biologist, physician, and immunologist, awarded the Nobel Prize in Physiology or Medicine in 1930. He is renowned for discovering the main human blood groups—A, B, and O—in...