Karl Landsteiner was the discoverer of human blood groups. He was an Austrian physician and immunologist who won the Nobel Prize in Physiology or Medicine in 1930 for his discovery of the ABO blood group system.
Landsteiner was born in Vienna, Austria, in 1868. He studied medicine at the University of Vienna and received his doctorate in 1891. After working as a research assistant at the University of Vienna, Landsteiner moved to the United States in 1902. He worked at the Rockefeller Institute for Medical Research in New York City until his retirement in 1939.
Landsteiner’s research on blood groups began in the early 1900s. He was interested in the problem of transfusion reactions, which were often fatal at the time. Landsteiner found that there were three main types of human blood: A, B, and O. He also discovered that antibodies could be found in the blood of some people that would attack the red blood cells of other people. This discovery led to the development of blood typing, which is now used to prevent transfusion reactions.
Landsteiner’s work on blood groups was a major breakthrough in medical science. It saved countless lives and led to the development of many other important medical procedures. Landsteiner was a brilliant scientist who made significant contributions to our understanding of the human body. He is considered one of the most important figures in the history of medicine.
The other options are incorrect. Livine is not a real person. Vinear is a misspelling of the name of the American physician Charles Vineberg, who was a pioneer in the field of vascular surgery. Leeuwenhoek was a Dutch scientist who is considered the father of microbiology. He was the first person to observe bacteria and protozoa using a microscope.