Nobel Prize in Chemistry Goes to Martin Chalfie, Osamu Shimomura, and Roger Y. Tsien

Martin Chalfie (born January 15, 1947) is an American scientist.

He is the William R. Kenan, Jr. Professor of Biological Sciences at Columbia University, where he is also chair of the department of biological sciences. He shared the 2008 Nobel Prize in Chemistry along with Osamu Shimomura and Roger Y. Tsien "for the discovery and development of the green fluorescent protein, GFP". He holds a Ph.D. in neurobiology from Harvard University.

Osamu Shimomura (下村 脩, Shimomura Osamu?, born August 27, 1928) is a Japanese organic chemist and marine biologist, and Professor Emeritus at Marine Biological Laboratory (MBL) in Woods Hole, Massachusetts and Boston University Medical School. He was awarded the Nobel Prize in Chemistry in 2008 for the discovery and development of green fluorescent protein (GFP) with two American scientists: Martin Chalfie of Columbia University and Roger Tsien of the University of California-San Diego.

Roger Yonchien Tsien (simplified Chinese: 钱永健; traditional Chinese: 錢永健; pinyin: Qián Yǒngjiàn; born February 1, 1952) is an American biochemist and a professor at the Department of Chemistry and Biochemistry, University of California, San Diego. He was awarded the 2008 Nobel Prize in chemistry "for his discovery and development of the green fluorescent protein (GFP) with two other chemists: Martin Chalfie of Columbia University and Osamu Shimomura of Boston University and Marine Biological Laboratory.