The Manhattan Prospector (Manhattan, Colo.) v. 1 n. 1 1887 Feb. 17.

Manhattan Publishing Company (Manhattan, Colo.)

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DuBois, J. Harry (John Harry), 1903-

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J. Harry DuBois (1903-1986) was an American businessman and author in the field of plastics. Born September 18, 1903 in Clarion, Iowa, he began at General Electric Co.'s molding division in 1927. In 1944, he moved to Shaw Insulator Co. until 1950 when he left to work at Plax Corporation where he stayed through 1951. DuBois was vice president of Mycalex Corporation of America from 1952 to 1958 and vice president of Tech Art Plastics from 1960 to 1965. He founded J. Harry ...