Walter Jakob Gehring ( 20 March 1939 -- 29 May 2014 ) was a Swiss developmental biologist who was a professor at the Biozentrum Basel of the University of Basel , Switzerland .
Walter Jakob Gehring ( March 20 , 1939 -- May 29 , 2014 ) was a Swiss developmental biologist . He was a professor at the Biozentrum Basel of the University of Basel , Switzerland .