John Janvier Black
American surgeon · United States · On the map · Doctors · Lived 1837 to 1909 · aged 71
John Janvier Black was an American surgeon and writer.
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A typical day, 30 days to 5 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Awards
About this person
Country
United States
Category
Doctors
Type
Doctor
Status
Deceased
Dates
Lived 1837 to 1909 · aged 71
