Looks like the phrase was written about in 1892. Probably it's older than that, though. > The term is attributed to William Osler, who in the first edition of

Looks like the phrase was written about in 1892. Probably it's older than that, though. > The term is attributed to William Osler, who in the first edition of his book The Principles and Practice of Medicine (1892) wrote: > In children and in healthy adults the outlook is good. In the debilitated, in drunkards and in the aged the chances are against recovery. So fatal is it in the latter class [i.e. the elderly] that it has been termed the natural end of the old man. https://pneumonia.biomedcentral.com/articles/10.1186/s41479-018-0052-7 https://pneumonia.biomedcentral.com/articles/10.1186/s41479-...