Michel Che
Michel Che ( 29 December 1941 – 7 August 2019 ) was a French chemist who completed his doctorate ( EPR study of titanium dioxide ) in 1968 at the University of Lyon and studied as a postdoctoral fellow at Princeton University ( 1969–71 ) . 
<triplet> Michel Che <subj> 29 December 1941 <obj> date of birth <subj> 7 August 2019 <obj> date of death