Karl Landsteiner polio, he was posthumously inducted into the Polio Hall of Fame at Warm Springs, Georgia, which was dedicated in January 1958. In 1900 Karl Landsteiner found out that the blood of two people under contact agglutinates, and in 1901 he found that this effect was due to contact of blood with blood serum. As a result, he succeeded in identifying the three blood groups A, B and O, which he labelled C, of human blood. Landsteiner also found out that blood transfusion between persons with the same blood group did not lead to the destruction of blood cells, whereas this
Karl Landsteiner had begun 20 years before. Shortly thereafter, Landsteiner and his collaborator, Philip Levine, published the work and, later that same year, the types began to be used in paternity suits. Landsteiner was posthumously awarded the Lasker-DeBakey Clinical Medical Research Award in 1946 and elected a Foreign Member of the Royal Society (ForMemRS) in 1941. Landsteiner converted from Judaism to Roman Catholicism in 1890. In 1916 he married Leopoldine Helene Wlasto, a Greek Orthodox who converted to her husband's Roman Catholic faith. In 1937 Landsteiner took unsuccessful legal action against an American publisher who had included him in the book "Who's