In Memoriam: Tiansi Xin

Tiansi Xin, a fifth-year doctoral student in Chemistry at the Cummins lab, passed away on Nov. 17. Xin graduated from Peking University before joining MIT in 2019, spending a year at The Warehouse graduate residence before moving to Ashdown house.

Xin was described as a “treasured member of the Cummins lab,” with his advisor, Professor Kit Cummins, describing him as “an amazing scholar and chemist.” His research focused on developing new sustainable strategies and effectively synthesising phosphorus chemicals commonly found in agriculture. Tiansi recently had a paper accepted to the Journal of the American Chemical Society.

The cause of death was not reported by MIT.