February 25th
1682 – Birth of Giovanni Battista Morgagni, Italian anatomist
1919 – Birth of Karl H. Pribram, Austrian neuroscientist
1950 – Death of George Minot, American physician, recipient of the Nobel Prize in Physiology or Medicine
1953 – Death of Sergei Winogradsky, Russian scientist
1971 – Death of Theodor Svedberg, Swedish chemist, Nobel Prize laureate
1999 – Death of Glenn T. Seaborg, American chemist, Nobel Prize laureate
2006 – The world’s estimated population reaches 6.5 billion.