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Sunney Ignatius Chan (Chinese: 陳長謙; pinyin: Chén Zhǎngqiān; October 5, 1936 – May 5, 2025) was a Taiwanese-American biophysical chemist. His work primarily focused on the use of various magnetic resonance spectroscopic and other physical chemical techniques in the analysis of various biochemical and biological problems.

Early life and education

Chan was born in San Francisco, California, on October 5, 1936, to Chinese immigrant parents originally from Southern China.[1][2] He received his secondary education in Hong Kong, then returned to the U.S. to attend the University of San Francisco.[1][3] Shortly afterwards, he transferred to the University of California, Berkeley, where he earned a Bachelor of Science in chemistry in 1957 and his Ph.D. in chemistry in 1960.[1][3] He completed his doctoral work under the supervision of physical chemist William Dulaney Gwinn. His dissertation was titled, “The nature of the ring puckering vibration and its effects on the far-infrared and microwave spectra of trimethylene oxide”.[4]

Career

After receiving his doctorate, Chan completed a one-year post-doctoral fellowship in the laboratory of the Nobel laureate physicist Norman Ramsey at Harvard University and later returned to California to join the chemistry faculty at University of California, Riverside.[1] He began teaching at the California Institute of Technology in 1963.[5] Five years later, he was awarded a Guggenheim fellowship.[6] Chan received several honors throughout his career at Caltech, among them fellowship into the American Physical Society (1987) and American Association for the Advancement of Science (1992), as well as membership of Academia Sinica (1988).[7] He was appointed Caltech’s first George Grant Hoag Professor of Biophysical Chemistry in 1992.[8] Chan retired from Caltech in 1997, for a position as distinguished research fellow at Academia Sinica.[5] Subsequently, Chan was named vice president of Academia Sinica under Yuan T. Lee.[5][9] Caltech granted emeritus status to Chan in 2002.[10] Upon Chan’s retirement as vice president of Academia Sinica in July 2003,[11] Lee inaugurated the Sunney Chan Lecture in Chan’s honor.[9] He remained affiliated with Academia Sinica as a research and visiting fellow until 2015.[5] In his later career, Chan held distinguished chair and research professorships at National Taiwan University and National Chung Hsing University.[5]

Death

Chan died May 5, 2025, at the age of 88.[12][13] He was buried two weeks later at the Holy Cross Catholic Cemetery in Colma, California.[14]

Legacy

Academia Sinica has an annual lecture series named in Chan’s honor since 2003.[15]

References

  1. ^ a b c d “2000 CAFA Awards”. University of Southern California. 2000. Retrieved December 13, 2018.
  2. ^ “Sunney Chen Symposium: 2016”. Academia Sinica. 2016. Retrieved December 13, 2018.
  3. ^ a b Chan, Sunney I. (2009). “A Physical Chemist’s Expedition to Explore the World of Membrane Proteins” (PDF). Annual Review of Biophysics. 38 (38): 1–27. doi:10.1146/annurev.biophys.050708.133713. PMID 19416059.
  4. ^ Chan, Sunney Cheong-him Ignatius (1961). The nature of the ring puckering vibration and its effects on the far-infrared and microwave spectra of trimethylene oxide (Ph.D.). University of California, Berkeley. OCLC 906003884. ProQuest 302035075.
  5. ^ a b c d e “Sunney I. Chan (陳長謙)”. Institute of Chemistry, Academia Sinica. Retrieved December 13, 2018.
  6. ^ “Sunney I. Chan”. John Simon Guggenheim Foundation. Retrieved December 13, 2018.
  7. ^ “Chan, Sunney I.” National Taiwan University. Retrieved December 13, 2018.
  8. ^ “Hoag Foundation Gives $1.5 Million to Caltech”. Los Angeles Times. May 21, 1992. Retrieved December 14, 2018.
  9. ^ a b “About Sunney Chan Lecture”. Institute of Chemistry, Academia Sinica. Retrieved December 13, 2018.
  10. ^ “Sunney I. Chan”. California Institute of Technology. Retrieved December 13, 2018.
  11. ^ Chen, Melody (May 19, 2003). ‘Father of the coronavirus’ leads fight against SARS”. Taipei Times. Retrieved December 13, 2018.
  12. ^ Wanqian, Chen (May 6, 2025). “受李遠哲力邀返台 中研院前副院長陳長謙89歲辭世” [Chen Changqian, former vice president of the Institute of Advanced Studies, who was invited by Lee Yuan-tseh to return to Taichung, passed away at the age of 89]. United Daily News (in Chinese). Retrieved May 8, 2025.
  13. ^ “Remembering Sunney Chan (1936–2025)”. Caltech. May 29, 2025.
  14. ^ “In memory of Sunney I. Chan”. Archived from the original on May 21, 2025.
  15. ^ “About Sunney Chan Lecture”. Academia Sinica.