Across
- 5. skyscraper architect
- 9. invented the telephone
- 10. invented the safety elevator
- 11. someone who risks personal loss to develop/market a new product
- 12. city destroyed by fire in 1871
- 13. transformed agricultural practices in the South
Down
- 1. known for extensive medical research
- 2. formed Standard Oil Company of Ohio
- 3. greatest inventor America ever produced
- 4. world's greatest builder of public libraries
- 6. established Union Oil Company in California
- 7. produced the typewriter
- 8. began building the Brooklyn Bridge