Richard H. Wilhelm
Richard Herman Wilhelm was an American chemical engineer notable for developing a new method of fluid separation called chemical parametric pumping.
Wilhelm was also notable for pioneering in the development of fluid beds, which according to Princeton University "revolutionized the petroleum-cracking process".
Princeton University established Wilhelm Lectures in his honor.
Wilhelm was a member of the National Academy of Engineering
Fellow of the American Academy of Arts and Sciences,
and a chairman of the department of chemical engineering at Princeton University.
Princeton University called Wilhelm "an authority on chemical reaction engineering".