Category:Jan Adolf Grutterink

**Jan Adolf Grutterink**
	Dutch geologist
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Date of birth	20 October 1879; Apeldoorn
Date of death	1 January 1949; The Hague
Country of citizenship	Kingdom of the Netherlands;
Occupation	geologist; university teacher; engineer;
Employer	Delft University of Technology (Dutch ordinary professor, 1906–1949); Delft University of Technology (universitair docent, 1905–1906);
Position held	Rector of Delft University of Technology (1932–1933);
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	Q20972275; VIAF ID: 40141902, 284890999; GND ID: 116902116; Biografisch Portaal van Nederland ID: 42128316
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Jan Adolf Grutterink (Apeldoorn, 20 oktober 1879 — 's-Gravenhage, 1 januari 1949) was een Nederlands geoloog en hoogleraar mineralogie, kristallografie en petrografie aan de Technische Hogeschool Delft.