Chih-Tang Sah
Chih-Tang "Tom" Sah (simplified Chinese: 萨支唐; traditional Chinese: 薩支唐; pinyin: Sà Zhītáng; 10 November 1932 – 5 July 2025) was a Chinese-American electronics engineer and condensed matter physicist. He is best known for inventing CMOS (complementary MOS) logic with Frank Wanlass at Fairchild Semiconductor in 1963.