Jan Janský

Jan Janský
Jan Janský in 1902, aged 29
Born(1873-04-03)3 April 1873
Smíchov, Austria-Hungary
Died8 September 1921(1921-09-08) (aged 48)
Dolní Mokropsy, Czechoslovakia
Resting placeMalvazinky Cemetery, Prague 5
NationalityCzech
Alma materFirst Faculty of Medicine, Charles University
RelativesAlois Rašín (brother-in-law)
Ladislav Rašín (nephew)

Jan Janský (Czech pronunciation: [ˈjan ˈjanskiː]; 3 April 1873 – 8 September 1921) was a Czech serologist, neurologist and psychiatrist. He is credited with the classification of blood into four types (I, II, III, IV).