In 1956 he accepted Hu Shih's invitation to teach at National Taiwan University (NTU) and Tsinghua University. This was Wu Ta-you's first contact with Taiwan's academic community.
民國四十五年應胡適先生之邀返國任教於台灣及清華大學，這是吳大猷第一次與台灣學術界發生聯繫。