Roald Hoffmann (ojoibi July 18, 1937) je onimo kemistri oniriro ara Amerika to gba Ebun Nobel ninu Kemistri ni 1981. He currently teaches at Cornell University in Ithaca, New York. je onimo sayensi Hoffmann's birth name was Roald Safran. Hoffmann is the surname adopted by his stepfather in the years after World War II