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John Van Nostrand Dorr, American Industrial Chemist
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Title:
John Van Nostrand Dorr, American Industrial Chemist
Caption:
John Van Nostrand Dorr (1872-1962) was an American industrial chemist. He worked with Thomas Edison as a chemical experimenter before earning his B.S. in chemistry from Rutgers University in 1894. His major contribution in the field of chemical engineering was the development of the Dorr classifier which became a practical method for the separation and chemical treatment of fine solids suspended in liquid. This technology was used in sewage treatment, water purification, de-silting projects, minerals milling, and sugar production. He was the benefactor of several major philanthropies, as well as founding his own charity, the Dorr Foundation. Williams Haynes Portrait Collection, 1930s (cropped and cleaned).
Credit:
Album / Science Source / Science History Institute
Releases:
Model: No - Property: No
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Image size:
3883 x 5400 px | 60.0 MB
Print size:
32.9 x 45.7 cm | 12.9 x 18.0 in (300 dpi)
Keywords:
1930S • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • AMERICA • CELEBRITIES • CELEBRITY • CHEMICAL ENGINEER • CHEMIST • DOOR CLASSIFIER • FAMOUS PEOPLE • FAMOUS • HISTORY • INDUSTRIAL CHEMIST • JOHN V. N. DORR • JOHN VAN NOSTRAND DORR • PERSONALITY • PHOTO • TWENTIETH CENTURY • USA
