Nicole Hancock February 10, 2017 Lesson 2 John Snow Questions for High School Students Nicole Hancock February 10, 2017 Lesson 2 John Snow Questions (High School) 1. How old was John Snow when he began to work as an apprentice for Dr. Hardcastle? 2. How many people died in the 1831-1832 cholera epidemic in all of Europe? 3. Define miasma theory and germ theory.