Snow also saw that people who drank only beer in regions with bad air had less cholera than people who drank water in regions with better air. These and other inferences led him to suspect that the illness was waterborne and linked to human waste.
Richard B. Alley
Snow also saw that people who drank only beer in regions with bad air had less cholera than people who drank water in regions with better air. These and other inferences led him to suspect that the illness was waterborne and linked to human waste.
Richard Blane Alley (born 18 August 1957) is an American geologist and Evan Pugh Professor of Geosciences at Pennsylvania State University. He has authored more than 240 refereed scientific publications about the relationships between Earth's cryosphere and global climate change, and is recognized by the Institute for Scientific Information as a Highly Cited Researcher.
