His two-decade quest to find elusive brain hormones became a race against Roger Guillemin, a onetime colleague and an eventual fellow prizewinner. His two-decade quest to find elusive brain hormones became a race against Roger Guillemin, a onetime colleague and an eventual fellow prizewinner. Deaths (Obituaries), Nobel Prizes, Brain, Hormones, Research, Schally, Andrew V, Guillemin, Roger C L NYT > Science