Diagram of the Causes of Mortality by Florence Nightingale
Professor Friendly looks at Florence Nightingale's Coxcomb diagrams:
"Florence Nightingale is remembered as the mother of modern nursing. But few realize that her place in history is at least partly linked to her use, following William Farr, Playfair and others, of graphical methods to convey complex statistical information dramatically to a broad audience..."
"...This figure makes it abundantly clear that far more deaths were attributable to non-battle causes ("preventable causes") than to battle-related causes..."
See the beautiful remake here and read more here.