Rudolph Arthur Marcus was a Canadian-born American chemist who received the 1992 Nobel Prize in Chemistry "for his contributions to the theory of electron transfer reactions in chemical systems". Marcus theory, named after him, provides a thermodynamic and kinetic framework for describing one electron outer-sphere electron transfer. He was a professor at Caltech, Nanyang Technological University, Singapore and a member of the International Academy of Quantum Molecular Science. The Nobel Prize in Chemistry 1992, announced October 14, 1992. Rudolph A. Marcus, “for his contributions to the theory of electron transfer reactions in chemical systems”. Rudolph A. Marcus: born 1923, Montreal, Canada. Wiki link Data: the Nobel Foundation (CC0).