Ernst Otto Fischer was a German chemist who won the Nobel Prize for pioneering work in the area of organometallic chemistry. The Nobel Prize in Chemistry 1973, announced October 23, 1973. Ernst Otto Fischer and Geoffrey Wilkinson, “for their pioneering work, performed independently, on the chemistry of the organometallic, so called sandwich compounds”. Ernst Otto Fischer: born 1918, Munich, Germany. Geoffrey Wilkinson: born 1921, Todmorden, United Kingdom. Wiki link Wiki link Data: the Nobel Foundation (CC0).