Jan Janský
Czech doctor, neurologist and psychiatrist (1873-1921) · Czechia · On the map · Doctors · Died at 48
Jan Janský was a Czech serologist, neurologist and psychiatrist. He is credited with the classification of blood into four types.
Jan Janský is read about 16 times a day, in 15 languages.
A typical day, 30 days to 18 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 119 days, one point a day.
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About this person
Country
Czechia
Category
Doctors
Type
Doctor
Status
Deceased
Dates
Lived 1873 to 1921 · aged 48
