Across
- 2. Astronomer who championed heliocentrism and improved the telescope.
- 4. Inventor of the first practical automobile powered by an internal combustion engine.
- 7. Ancient Indian mathematician and astronomer who proposed the concept of zero.
- 8. Pioneers of aviation who built and flew the first successful powered aircraft.
- 10. Venetian explorer who traveled to China and documented his experiences.
- 11. Physicist who formulated the laws of motion and universal gravitation.
- 12. Prolific inventor credited with the phonograph and the long lasting electric light bulb.
- 13. Scientist who discovered penicillin, the first widely used antibiotic.
Down
- 1. American polymath known for his experiments with electricity and the invention of the lightning rod.
- 3. Engineer and inventor who contributed to the development of alternating current (AC) electricity.
- 4. Developer of the tactile writing system for visually impaired individuals
- 5. Naturalist who developed the theory of evolution by natural selection.
- 6. Physicist famous for the theory of relativity and the equation E=mc².
- 9. Theoretical physicist known for his work on black holes and cosmology.
- 11. Chemist and engineer who invented dynamite and established the Nobel Prizes.