Across
- 1. Lonnie G. Johnson, an aerospace engineer, invented the Super Soaker water gun in 1982. It became one of the most popular toys in the world.
- 3. John Purdy, an African American inventor, patented the first folding chair in 1888. His design was lightweight and portable, making it convenient for outdoor events.
- 4. Jesse Eugene Russell, an electrical engineer, is credited with inventing the digital cellular base station and the mobile communication system.
- 7. Frederick McKinley Jones, an inventor and entrepreneur, developed the first practical refrigerated truck in 1940. This innovation revolutionized the transportation of perishable goods.
- 9. Sarah Boone, an African American inventor, patented an improved ironing board design in 1892. Her design featured a narrower, curved shape, allowing for easier ironing of sleeves and other curved garments.
- 10. Dr. Charles Drew, an African American physician, pioneered techniques for blood storage and transfusion during World War II. His work laid the foundation for the modern blood bank system.
Down
- 2. John Lee Love, an African American inventor, patented the portable pencil sharpener in 1897. His design allowed for easy sharpening of pencils on the go.
- 5. George Crum, an African American chef, is credited with inventing the potato chip in the 1850s. Legend has it that he created the thin, crispy snack in response to a customer's complaint about thick, soggy fries.
- 6. Garrett Morgan, an African American inventor, patented the three-position traffic signal in 1923. His design included automated traffic signals with "stop" and "go" signals.
- 8. Philip B. Downing, an African American inventor, patented an improved version of the street letter box in 1891. His design included a hinged door at the top for easy mail collection.