"18th and 19th century medicine": HTML5 Crossword

Across

3. The third disease Koch found a vaccine for (7)
6. Who was the first to use carbolic acid in surgery? (6,6)
10. Who came up with germ theory? (5,7)
14. What was the name of Florence Nightingale's famous book? (5,2,7)
15. Which country was Robert Koch from? (7)

Down

1. Which street in London had its water pump removed during the cholera outbreak of 1854? (5,6)
2. Something that makes you not feel pain (11)
4. Carbolic acid is an example of what? (10)
5. What did the government pass in 1848 and in 1875? (6,6,4)
7. James Simpson was the first to use which anaesthetic in surgery? (10)
8. What century was Edward Jenner born in? (10)
9. Which war did Florence Nightingale work in as a nurse? (7,3)
11. Who was the first to use laughing gas as an anaesthetic? (7,4)
12. Who found out that cholera was carried in water? (4,4)
13. The first disease Koch found a vaccine for (7)