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Ruth Ella Moore was active during the 20th century. She was born on December 19, 1903, and became the first African American woman to earn a Ph.D. in the natural sciences in the United States in 1933. Her work primarily took place during the early to mid-1900s, particularly in the fields of bacteriology and public health, where she made significant contributions until her death in 1990.

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1w ago

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