John Snow
Victorian disease detective
John Snow refers to two notable figures.
The historical John Snow (1813–1858) was an English physician who traced a London cholera outbreak to contaminated water, founding modern epidemiology.
In contemporary usage, Jon Snow is the bastard-born protagonist of George R.R.
Martin's *A Song of Ice and Fire* and HBO's *Game of Thrones*—the phrase You know nothing, Jon Snow became a widely quoted line.
Context usually clarifies which is meant.
- choleraBacterial disease causing fatal dehydration
- outbreakSudden eruption of trouble
- water pumpDevice circulating liquid mechanically
- pump handleLever for drawing fluid
- hand pumpLever-operated fluid mover
Westeros · Night's Watch · Soho · epidemiology · anesthesiology · public health · medical history · direwolf · London · swordsmanship · waterborne diseases · Game of Thrones · honor · bastard · Victorian · contamination · physician · Stark
- CricketersVirat Kohli, Imran Khan
- choleracholera vaccine, diarrhea, rehydration, waterborne disease, contaminated water
- Medical FiguresHippocrates, Galen, Avicenna, Jenner, Jonas Salk
- medical historyHippocrates, germ theory, bloodletting, Galen, four humors
- sanitation historycesspools, cesspits, privies, outhouses, night soil
- Treasury SecretariesAlexander Hamilton, Janet Yellen