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John M. Weiss Papers

  • 1918–1961
  • American
    Created and used by John Weiss
  • 4.5 linear feet
  • Gift of Francis B. White
  • 84:04, GB91:69
  • Copyright restrictions may apply (contact CHF archivist).


Includes professional papers related to Weiss’s consulting business as a chemical engineer. Also includes papers related to various chemical processes in which Weiss was interested.

Background note

John M. Weiss was born in Philadelphia on March 11, 1885. After receiving his B.S. from the University of Pennsylvania, Weiss became a prominent chemical engineer. In 1905 Weiss began his career with the Barrett Company as a research chemist. He quickly made his way through the ranks of the company, and by 1921 he was the director of development. In 1923 Weiss began a 19-year stint as the president and treasurer of Weiss and Downs, Inc., a chemical-engineering consulting firm. In 1943 John M. Weiss and Company was established. He remained a senior partner of this company until his death in 1963. His primary interests included acids, maleic anhydride, and synthetic phenol. Weiss was a member of many professional associations, including the Electrochemical Society and the Association of Consulting Chemists and Chemical Engineers.

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