🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ700136· pop 21· linked from 170 articlesWillem Johan KolffDutch medical researcher (1911–2009)Connectionslist of Righteous among the Nations by countryEntityWorld War IIConceptCategories1911 births2009 deaths20th-century American inventors20th-century Dutch inventorsAmerican medical researchersAmerican nephrologistsDutch emigrants to the United StatesDutch nephrologistsDutch Righteous Among the NationsHarvey Prize winnersHistory of medical technologyLeiden University alumni