Jan Janský, Date of Birth, Place of Birth, Date of Death

Jan Janský

Czech doctor, neurologist and psychiatrist

Date of Birth: 03-Apr-1873

Place of Birth: Prague, Czech Republic

Date of Death: 08-Sep-1921

Profession: physician, psychiatrist, neurologist

Zodiac Sign: Aries

Prof.
MUDr.
Jan Janský (Czech pronunciation: ['jan 'janski?]) (3 April 1873 in Prague – 8 September 1921 in Cernošice, near Prague) was a Czech serologist, neurologist and psychiatrist.
He is credited with the first classification of blood into the four types (I, II, III, IV) of the ABO blood group system. Janský studied medicine at Charles University in Prague.
From 1899, he worked in the Psychiatric Clinic in Prague.
In 1914, he was named professor.
During World War I Janský served two years as a doctor at the front until a heart attack disabled him.
After the war he worked as a neuropsychiatrist in a military Hospital (Vojenská nemocnice).
He had angina pectoralis and died of ischaemic heart disease. Janský was also a proponent of voluntary blood donations.