context: Peter William Likins (born July 4, 1936) was president of the University of Arizona from 1997 until his retirement in summer 2006.
source: At each of these universities, Likins was a professor of engineering.
reference_original: Per ognuna di queste università, Likins fu professore di ingegneria.
reference_flipped: Per ognuna di queste università, Likins fu professoressa di ingegneria.