Willem Johan Kolff
Willem Johan "Pim" Kolff (February 14, 1911 – February 11, 2009) was a pioneer of hemodialysis as well as in the field of artificial organs. Willem is a member of the Kolff family, an old Dutch patrician family. He made his major discoveries in the field of dialysis for kidney failure during the Second World War. He migrated in 1950 to the United States, where he obtained US citizenship in 1955, and received a number of awards and widespread recognition for his work.
Personal facts
| Birth date | February 14, 1911 |
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| Date of death | February 11, 2009 |
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