[PAR] [TLE] André Dreiding [SEP] André S. Dreiding (22 June 1919 in Zürich – 24 December 2013 in Herrliberg near Zurich) was a Swiss chemist.  He finished his high school studies in Zürich and then studied at Columbia University in New York where he was awarded BS and MS degrees.  After two years as research assistant at Hoffmann-La Roche, he continued postgraduate studies at University of Michigan in Ann Arbor under professor Werner Emmanuel Bachmann, and was awarded his Ph.D. in 1947.  He remained at the university until 1949 as Rackham and Lloyd Postdoctoral Fellow.  From 1949 to 1954, Dreiding was assistant professor at Wayne University, Detroit Institute of Cancer Research.  He also temporarily took over Bachmann's teaching and research duties at the University of Michigan after Bachmann's death in 1951, and held them until 1952.  In 1954, Dreiding turned to Switzerland and University of Zurich, where he became professor, and stayed until his retirement in 1987, after which he has been emeritus professor. [PAR] [TLE] Hoffmann-La Roche [SEP] F. Hoffmann-La Roche AG is a Swiss multinational healthcare company that operates worldwide under two divisions: Pharmaceuticals and Diagnostics.  Its holding company, Roche Holding AG, has bearer shares listed on the SIX Swiss Exchange.  The company headquarters are located in Basel.
[PAR] [TLE] André Dreiding [ SEP ] André S. Dreiding ( 22 June 1919 in Zürich – 24 December 2013 in Herrliberg near Zurich ) was a Swiss chemist . He finished his high school studies in Zürich and then studied at Columbia University in New York where he was awarded BS and MS degrees . After two years as research assistant at Hoffmann - La Roche , he continued postgraduate studies at University of Michigan in Ann Arbor under professor Werner Emmanuel Bachmann , and was awarded his Ph.D. in 1947 . He remained at the university until 1949 as Rackham and Lloyd Postdoctoral Fellow . From 1949 to 1954 , Dreiding was assistant professor at Wayne University , Detroit Institute of Cancer Research . He also temporarily took over Bachmann 's teaching and research duties at the University of Michigan after Bachmann 's death in 1951 , and held them until 1952 . In 1954 , Dreiding turned to Switzerland and University of Zurich , where he became professor , and stayed until his retirement in 1987 , after which he has been emeritus professor . [PAR] [TLE] Hoffmann - La Roche [ SEP ] F. Hoffmann - La Roche AG is a Swiss multinational healthcare company that operates worldwide under two divisions : Pharmaceuticals and Diagnostics . Its holding company , Roche Holding AG , has bearer shares listed on the SIX Swiss Exchange . The company headquarters are located in Basel .
After graduatng college,  André Dreiding spent two years as a research assisant for a healthcare company headquartered in what city?
After graduatng college , André Dreiding spent two years as a research assisant for a healthcare company headquartered in what city ?
Basel
Basel