front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |review

John Snow (1813-1858) was a London physician, and a founding father of modern epidemiology. (He was also a pioneer anesthetist who invented a new kind of mask to administer chloroform, which he gave to Queen Victoria to assist at the births of her two youngest children).