Black Scientists Who Changed the World

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Across
  1. 2. A chemist and pioneer in the chemical synthesis of medicinal drugs from plants, they developed a synthetic form of cortisone, a hormone used to treat rheumatoid arthritis and other inflammatory conditions.
  2. 6. An astronomer, mathematician, and surveyor, they were largely self-taught and is known for publishing almanacs that included his own astronomical calculations.
  3. 8. An inventor and electrical engineer, he held over 60 patents related to electrical and mechanical devices, including the multiplex telegraph and the induction telegraph.
Down
  1. 1. A botanist and inventor known for his work in agriculture, he developed many uses for the peanut, sweet potato, and other crops. He also worked to improve the soil and crop rotation techniques.
  2. 3. An explorer and navigator, they were the first African American to reach the North Pole in 1909 as a member of Robert Peary's Arctic expedition.
  3. 4. Daly was a biochemist and the first black woman in the United States to earn a Ph.D. in chemistry. She made important discoveries about how the body metabolizes food.
  4. 5. A physician and medical researcher, Drew made significant advances in blood transfusion and storage, helping to establish the first large-scale blood banks during World War II.
  5. 7. A biologist and zoologist, they studied the fertilization process in marine organisms and made significant contributions to the understanding of cell division.