Roger Y. Tsien

Roger Tsien
錢永健
Tsien in 2008
Born
Roger Yonchien Tsien

(1952-02-01)February 1, 1952
New York City, U.S.
DiedAugust 24, 2016(2016-08-24) (aged 64)
Education
Known for
SpouseWendy Globe
Awards
Scientific career
FieldsBiochemistry
Institutions
ThesisThe design and use of organic chemical tools in cellular physiology (1976)
Doctoral advisorRichard Adrian
Doctoral studentsMichael Z. Lin
Chinese name
Traditional Chinese錢永健
Simplified Chinese钱永健
Transcriptions
Standard Mandarin
Hanyu PinyinQián Yǒngjiàn
Wade–GilesCh'ien Yung-chien
Websitewww.tsienlab.ucsd.edu

Roger Yonchien Tsien (Chinese: 錢永健; February 1, 1952 – August 24, 2016) was an American biochemist. He was a professor of chemistry and biochemistry at the University of California, San Diego, and was awarded the Nobel Prize in Chemistry in 2008 for his discovery and development of the green fluorescent protein, in collaboration with organic chemist Osamu Shimomura and neurobiologist Martin Chalfie. Tsien was also a pioneer of calcium imaging.