During her PhD , she was a visiting researcher at the University of Arizona .
Voit studied chemistry at the University of Bayreuth ( 1982 -- 1987 ) and was awarded her PhD with distinctions in 1990 .
During Voit PhD PhD , Voit was a Voit researcher at the University of Arizona .
Voit studied chemistry at the University of Bayreuth ( 1982 -- 1987 ) and was awarded her PhD with distinctions in 1990 .