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George Washington Carver (January 1864– January 5, 1943), was an American scientist, botanist, educator, and inventor. The exact day and year of his birth are unknown; he is believed to have been born into slavery in Missouri in January 1864. Carver's reputation is based on his research into and promotion of alternative crops to cotton, such as peanuts, soybeans and sweet potatoes, which also aided nutrition for poor farm families.
Mary Agnes Chase (1869-1963), sitting at desk with specimens
Mary Agnes Chase (1869-1963), sitting at desk with specimens She specialized in the study of grasses and conducted extensive field work in South America. Chase joined the Department of Agriculture in 1903 as a botanical illustrator and became Scientific Assistant in Systematic Agrostology, 1907; Assistant Botanist, 1923; and Associate Botanist, 1925. In 1935, became Principal Botanist.