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Mary Haas

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Mary Rosamond Haas was a dedicated American linguist. Linguists are people who study how languages work. She spent her life exploring many different ways of speaking. Her work focused on North American indigenous languages and Thai. She also studied historical linguistics, which looks at how languages change over time.

Because of her hard work, she became a leader in her field. She served as the president of the Linguistic Society of America in 1963.

Mary used a method called fieldwork to learn new languages. This means she traveled to meet people who spoke them. During the 1930s, she worked with Sesostrie Youchigant to study Tunica. She also worked with Watt Sam and Nancy Raven. They were the last two native speakers of the Natchez language in Oklahoma.

Her careful notes are still the most reliable source for Natchez today. She also collected many texts for the Muskogee language.

Her journey began in Richmond, Indiana. She went to high school and Earlham College there. Later, she studied at the University of Chicago. She studied under a famous scholar named Edward Sapir.

She then moved to Yale University to finish her PhD. She completed her degree in 1935 at the age of 25. Her dissertation was about the grammar of the Tunica language.

Mary spent much of her career at the University of California, Berkeley. She helped start the Department of Linguistics there in 1953. She also led the Survey of California Indian Languages for many years.

She served as the director of that survey from 1953 to 1977. During World War II, she developed a program to teach Thai. In 1964, she published a Thai-English student's dictionary. People still use her dictionary to this day.

Mary was a very important teacher for other scientists. She supervised fieldwork for more than 100 doctoral students.

Many of her students became famous linguists themselves. She helped them study languages like Karok, Maidu, and Wiyot. Her many honors included being a fellow of the National Academy of Sciences. She also received honorary doctorates from several large universities. Her life shows how studying words can help preserve history.

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