Dr. Martha Euphemia Lofton Haynes (1890–1980) was the first African-American woman to receive a Ph.D. in math, and she taught math in Washington, D.C., for 47 years.

34 American Lady Scientists Who Changed The World

Dr. Martha Euphemia Lofton Haynes (1890–1980) was the first African-American woman to receive a Ph.D. in math, and she taught math in Washington, D.C., for 47 years.

Mary Sherman Morgan (1921–2004) was a rocket scientist (!). She invented the liquid fuel Hydyne in 1957, which went on to power the U.S.’s Jupiter-C rocket.

34 American Lady Scientists Who Changed The World

Mary Sherman Morgan (1921–2004) was a rocket scientist (!). She invented the liquid fuel Hydyne in 1957, which went on to power the U.S.’s Jupiter-C rocket.

Sita Devi Remembered Pt1 - Rani Sita Devi of Kapurthala (1915-2002). Sita Devi, wife of Prince Karamjit Singh of Kapurthala, was one of the most glamorous women of her day, and a muse for European photographers Man Ray and Cecil Beaton. Hear her grandchildren's stories about her.

Sita Devi Remembered Pt1 - Rani Sita Devi of Kapurthala (1915-2002). Sita Devi, wife of Prince Karamjit Singh of Kapurthala, was one of the most glamorous women of her day, and a muse for European photographers Man Ray and Cecil Beaton. Hear her grandchildren's stories about her.

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