When Wu had just arrived and all was unfamiliar, Yuan served as her volunteer guide, and he introduced her to Ernest O. Lawrence, who would win a Nobel Prize for researching the structure of the atomic nucleus and the process of its decay.
他義務當嚮導，減輕吳健雄初來乍到的陌生與不安，並引見認識因研究原子核的結構及衰變過程而獲諾貝爾獎的勞倫斯（E.O.Lawrence）博士。