Siaufung "Bosco" Tjan (曾学锋, January 21, 1966 – December 2, 2016)[1] was a Chinese-American psychologist and neuroscientist. He was a professor of psychology at the University of Southern California's Dornsife College of Letters, Arts & Sciences.[2][3]

Education

Born in Beijing, China, Tjan moved from Hong Kong to the United States as a teenager.[4] He received his bachelor's degree in computer science from the University of Kansas in 1987 and his Ph.D. in computer and information science from the University of Minnesota in 1997. His PhD thesis was entitled "Ideal Observer Analysis of Object Recognition".[5][6]

Career

From 1990 to 1996, Tjan worked as a research assistant at the University of Minnesota. He joined the University of Southern California (USC) as an assistant professor in the psychology department in 2001. He was promoted to associate professor there in 2008 and to full professor in 2015.[5]

At USC, he co-founded the Dornsife Cognitive Neuroscience Imaging Center, and served as its co-director at the time of his death.[7] He directed the Laboratory for Functional and Computational Vision at USC.[8]

He also served in the Research Grants Council of Hong Kong from 2008-2014.[5]

Research interests

Tjan was known for researching the responses people have to vision loss caused by multiple conditions, such as macular degeneration.[2][9] A page on the USC website stated that his research objective was to study the "human visual system to address basic and translational questions pertaining to vision loss, restoration, and rehabilitation.”[10]

Death

On December 2, 2016, Tjan was fatally stabbed by a USC student; soon afterward, one of his graduate students was arrested on suspicion of having carried out the stabbing.[11][12] His body was found inside the Seeley G. Mudd Building, where he worked,[13] after which he was pronounced dead.[2] Tjan was 50 years old.[12]

Authorities reportedly believe a student killed Tjan as the result of a personal dispute, but police have not yet established a motive.[14][15][16]

Los Angeles Superior Court Judge Leslie A. Swain ruled on January 30, 2018 that former graduate student David Jonathan Brown was not guilty by reason of insanity for the first-degree murder of USC professor Bosco Tjan, according to the L.A. County District Attorney’s office.[17]

References

  1. ↑ Bell, Susan (13 December 2016). "In memoriam: Bosco Tjan, 50 | USC News". News.usc.edu. Retrieved 2017-01-12.
  2. 1 2 3 Winton, Richard (2016-12-03). "Slain USC professor Bosco Tjan was an expert in vision loss research". Los Angeles Times.
  3. ↑ Legge, Gordon E. (2017-02-28). "Obituary: Bosco Tjan 1966–2016". Journal of Vision. 17 (2): 19. doi:10.1167/17.2.19. ISSN 1534-7362. PMID 28245498.
  4. ↑ Queally, James (2016-12-03). "'Life is not going to be the same': Slaying of beloved USC professor leaves colleagues and friends crestfallen". Los Angeles Times.
  5. 1 2 3 "Bosco Siaufung Tjan CV" (PDF). Dornsife.usc.edu. Retrieved 2017-01-12.
  6. ↑ Tjan, Bosco Siautung (1997). "Ideal observer analysis of object recognition". Association for Computing Machinery. Retrieved December 3, 2016.
  7. ↑ "Bosco Tjan". Institute for Biomedical Therapeutics. University of Southern California Keck School of Medicine. Archived from the original on December 5, 2016. Retrieved December 3, 2016.
  8. ↑ "The Laboratory for Functional and Computational Vision". University of Southern California. Archived from the original on December 6, 2016. Retrieved December 3, 2016.
  9. ↑ Preidt, Robert (2013-08-15). "Eye Study Results May Offer New Therapy for Some Vision Loss". Healthday.
  10. ↑ Martin, Erika (2016-12-03). "Slain USC Professor Bosco Tjan Was an Expert in Vision Loss Research". KTLA5.
  11. ↑ Ansari, Azadeh (2016-12-03). "Student fatally stabs University of Southern California professor, police say". CNN.
  12. 1 2 Associated Press (2016-12-03). "Graduate student who fatally stabbed his mentor, USC professor Bosco Tjan, had just taken leave of absence for personal reasons". New York Daily News.
  13. ↑ Jaschik, Scott (2016-12-03). "Student Fatally Stabs Professor". Inside Higher Education.
  14. ↑ Xia, Rosanna. "Slain USC professor Bosco Tjan recalled for his generosity, empathy, humor and love". LA Times.
  15. ↑ Ventura, Charles (2016-12-03). "Student suspect arrested in fatal stabbing of USC professor". USA Today.
  16. ↑ Reilly, Katie (2016-12-03). "University of Southern California Professor Fatally Stabbed by Student". Time.
  17. ↑ Mier, TOMáS; Toh, Eileen (2018-12-31). "Judge rules student insane in professor's killing". USC Daily Trojan.
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