K. K. Chen headed pharmacological research at which global company for 34 years?
K. K. Chen: Ko Kuei Chen (1898–1988) was a scientist who headed up pharmacological research at Eli Lilly and Company for 34 years. Eli Lilly and Company: Eli Lilly and Company is an American global pharmaceutical company with headquarters located in Indianapolis, Indiana, in the United States.
Eli Lilly and Company