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September 20, 1930

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Headlines from September 20, 1930

Notable Births

Richard Montague

1930Richard Montague, American mathematician and philosopher (died 1971)[โ€ ]

Richard Merritt Montague was an American mathematician and philosopher who made contributions to mathematical logic and the philosophy of language. He is known for proposing Montague grammar to formalize the semantics of natural language. As a student of Alfred Tarski, he also contributed early developments to axiomatic set theory (ZFC). For the latter half of his life, he was a professor at the University of California, Los Angeles until his early death, believed to be a homicide, at age 40.

Notable Deaths

Gombojab Tsybikov

1930Gombojab Tsybikov, Russian anthropologist and explorer (born 1873)[โ€ ]

Gombojab Tsybikov was a Russian explorer of Tibet from 1899 to 1902. Tsybikov specialized in ethnography, Buddhist Studies, and after 1917 was an important educator and statesman in Siberia and Mongolia.