Category:Ralph Harper McKee

**Ralph Harper McKee**
	American chemical engineer
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Date of birth	20 June 1874
Date of death	24 February 1967
Occupation	chemical engineer;
Employer	Columbia University;
Authority file
	Q23303229; ISNI: 0000000107805651; VIAF ID: 45082477; GND ID: 117517445; Library of Congress authority ID: no2010200009; IdRef ID: 076051056; National Library of Israel J9U ID: 987009748287505171
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