Archivo:Snow-cholera-map.jpgDescriptionSnow-cholera-map.jpg English: A variant of the original map drawn by Dr. John Snow (1813-1858), a British physician who is one of the founders
Archivo:Snow-cholera-map-1.jpgbytes) Original map made by John Snow in 1854, copied from http://matrix.msu.edu/~johnsnow/images/online_companion/chapter_images/fig12-5.jpg Author died