管後來由中華民國行政院國家科學委員會延攬到臺灣，做國立清華大學物理系教授。2003年3月20號，管惟炎喺臺灣臺中市出車禍過身，享年74歲。
Guan was later recruited from the National Science Committee of the Executive Yuan of the Republic of China to Taiwan as a professor in the Department of Physics of National Tsing Hua University. On March 20, 2003, Guan Weiyan died in a car accident in Taichung City, Taiwan, at the age of 74.