File:Jan Janský, 1902.jpg
prof. MUDr. Jan Janský (* 1873 - † 1921) was a Czech serologist, neurologist and psychiatrist. He is credited with the first classification of blood into the four types (A, B, AB, O) of the ABO blood group system.
Jan Janský in 1902.
Source: http://www.vlast.ic.cz/vynalezy.htm
Licensing
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |