Across
- 3. titan of the steel industry
- 5. The first successful roll-film hand camera
- 6. Invented by Henry Bessemer
- 8. Economist who believed in laissez-faire capitalism
- 9. Edison's most significant contribution
- 10. Creator of the high-voltage alternating current
Down
- 1. Banker who managed a successful holding company
- 2. Extremely rich 10% family that created the New York Central Railroad
- 4. Invented by Thomas Edison in the first modern research lab
- 7. First invention to transmit human voice