A recounting of the life and work of Wei Hsioh-Ren (1899–1987), nuclear physicist (PhD 1928, University of Chicago); educator (Founding Dean of the College of Science, University of Nanking 1930–1945 and Distinguished Professor of Physics and Public Affairs 1962–1972); and Diplomat (Advisor, Chinese Permanent Delegation to the United Nations 1946–1962, assignments included Chief Chinese Representative to the first international meeting of peaceful uses of atomic energy 1955 and signing the UN General Assembly statute creating the International Atomic Energy Agency 1956). Using the style of traditional Chinese chronological biography (年譜), the author records major events of her father’s life in the context of what was taking place in China and the world. The text is supplemented with photographs from family collections.