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Subject Philip Bridges Sadtler (1884-1964) Remove constraint Subject: Philip Bridges Sadtler (1884-1964)

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    • 1910s

    Portrait of P.B. (Philip Bridges) Sadtler (1884-1964), chemical engineer and son of charter member and first President of the American Institute of Chemical Engineers (AIChE) Samuel Phillip Sadtler (1847-1923).