
1884 – 1939
Edward Sapir (1884-1939) was an American anthropologist-linguist widely regarded as one of the most important figures in the early development of linguistics in the United States. He is best known for his work on Native American languages and for the Sapir-Whorf hypothesis, which proposes that the structure of a language shapes its speakers' worldview and cognition.
Co-developed the Sapir-Whorf hypothesis of linguistic relativity
Pioneered descriptive and structural analysis of Native American languages
Authored the influential 1921 book 'Language: An Introduction to the Study of Speech'
Advanced the classification of North American indigenous language families
Helped establish linguistics as an independent academic discipline in the US