[perihelions]

- "Dr John Snow: This well-known physician died at noon, on the 16th instant, at his house in Sackville Street, from an attack of apoplexy. His researches on chloroform and other anaesthetics were appreciated by the profession."

Interesting to contrast this with the modern version, on Wikipedia:

- "Snow suffered a stroke while working in his London office on 10 June 1858. He was 45 years old at the time.[38] [...] It has been speculated that his premature death may have been related to his frequent exposure and experimentation with anesthetic gases, which is now known to have numerous adverse health effects. Snow administered and experimented with ether, chloroform, ethyl nitrate, carbon disulfide, benzene, bromoform, ethyl bromide and dichloroethane during his lifetime.[40]"