Otto Bayer was a German industrial chemist at IG Farben who was head of the research group that in 1937 discovered the polyaddition for the synthesis of polyurethanes out of poly-isocyanate and polyol.
Bayer was not related to the founding family... Wikipedia
Born: November 4, 1902, Frankfurt, Germany
Died: August 1, 1982 (age 79 years), Burscheid, Germany
Awards: Charles Goodyear Medal