Daniel Chee Tsui (Chinese: 崔琦; pinyin: Cuī Qí, born February 28, 1939) is a Chinese-born American physicist. He is a professor at Princeton University.[1] Tsui shared the 1998 Nobel Prize in Physics with Robert B. Laughlin and Horst L. Störmer for their discovery of fractional quantum Hall effect.[2] He was born in Henan, China.