Pedro Alvares Cabral, Portuguese navigator who is generally credited as the first European to reach Brazil (April 22, 1500). His expedition was also the second from Europe (after Vasco da Gama’s) to reach India via the sea route around the Cape of Good Hope.
Karl Landsteiner was an Austrian American immunologist and pathologist who received the 1930 Nobel Prize for Physiology or Medicine for his discovery of the major blood groups and the development of the ABO system of blood typing that has made blood transfusion a routine medical practice. After