John Van Nostrand Dorr Dies; Metallurgist, 90, Was Inventor: Designs Put to World-Wide Use in Mining Industry-- Aided Highway Safety Crusade for Safety Invented Classifier Educated by Mother Set Up Foundation in '50
John Van Nostrand Dorr Dies; Metallurgist, 90, Was Inventor: Designs Put to World-Wide Use in Mining Industry-- Aided Highway Safety Crusade for Safety Invented Classifier Educated by Mother Set Up Foundation in '50Special to The New York Times.
New York Times (1923-); New York, N.Y.. 01 July 1962: 57.
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