Guido Altarelli

Guido Altarelli (July 12, 1941 - September 30, 2015) was an Italian theoretical physicist. He was born in Rome, Italy. 
He held positions at New York University (1968–69), the Rockefeller University (New York, 1969–70), l' École Normale Supérieure in Paris (76-77, 81) and Boston University (85-86).