Across
- 3. Chemist, who contributed to the science of food preservation.
- 4. Invented improvements to the ironing board.
- 9. Received 61 patents, 40 for refrigeration technology, and innovated mobile refrigeration technology.
- 11. Chemist and engineer widely regarded as a pioneer of polymer chemistry.
- 12. Noted for being the first African-American woman to create and patent a permanent hair-wave machine.
- 13. One of the most prominent Black scientists of the early 20th century is often miscredited with inventing peanut butter.
- 14. Inventor who held more than 50 patents in the United States.
Down
- 1. Invented Ice Cream Mold and Disher.
- 2. Second known African-American woman to receive a United States patent, which she received in 1885 for inventing a folding bed.
- 5. Holds the record for the most patents awarded to a Black woman by the U.S. government.
- 6. Inventor, who introduced five improvements to the automatic railroad car coupler in 1897 and 1899.
- 7. Data scientist and inventor of the illusion transmitter.
- 8. A writer, nurse, physical therapist, inventor, and forensic scientist.
- 10. Entrepreneur, philanthropist, political and social activist, and is recorded as the first female self-made millionaire in America.