George Emil Palade (November 19, 1912 – October 7, 2008) was a highly regarded Romanian cell biologist. In 1974, he shared the Nobel Prize in Physiology or Medicine with Albert Claude and Christian de Duve, for discovering the vacuole.
http://en.wikipedia.org/wiki/George_Emil_Palade
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http://nobelprize.org/nobel_prizes/medicine/laureates/1974/palade-autobio.html