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Rights No Known Copyright Remove constraint Rights: No Known Copyright Subject Chemists Remove constraint Subject: Chemists Subject Portraits Remove constraint Subject: Portraits Subject Chemical engineers Remove constraint Subject: Chemical engineers

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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).

    • 1910s

    Portrait of Samuel Phillip Sadtler (1847-1923), a charter member and first President of the American Institute of Chemical Engineers (AIChE).

    Samuel Philip Sadtler was born on July 18, 1847 in Pine Grove, Schyulkill…

    • 1910s

    Portrait of Samuel Schmucker Sadtler (1873-1954), graduate of the Massachusetts Institute of Technology and son of charter member and first President of the American Institute of Chemical Engineers (AIChE) Samuel…

    • circa 1916

    Portrait of Albert Edward Marshall (b. 1883). A native of Liverpool, England, Marshall studied at the Liverpool Institute (1898-1900) and Liverpool University College (1900-01). In 1902, Marshall joined the United…

    • circa 1916

    Portrait of John Van Nostrand Dorr (1872-1962). In partnership with John Lundberg and A.D. Wilson, Van Nostrand Dorr owned the Lundberg, Dorr, & Wilson gold & silver mining operation in Terry, South Dakota. In 1916, he…

    • circa 1917

    Portrait of William H. Walker (1869-1934), a pioneer of chemical engineering practice and principles in the United States.

    William H. Walker was born in Pittsburgh, Pennsylvania in 1869 and graduated from Penn State…

    • 1930s – circa

    Portrait of Thomas Midgley, Jr. (1889-1944), an American engineer and chemist who discovered the effectiveness of tetraethyl lead as an antiknock additive for gasoline.

    Thomas Midgley, Jr. was born on May 18, 1889 in…

    • 1930s

    Portrait of John Van Nostrand Dorr (1872-1962). In partnership with John Lundberg and A.D. Wilson, Van Nostrand Dorr owned the Lundberg, Dorr, & Wilson gold & silver mining operation in Terry, South Dakota. In 1916, he…

    • 1943 – circa

    Portrait of Sidney Dale Kirkpatrick (1894-1973). Kirkpatrick was born in Urbana, Illinois and received his B.S. from the University of Illinois in 1916. Following graduation, he served as a chemical adviser to the…

    • 1950s

    Portrait of John Van Nostrand Dorr (1872-1962). In partnership with John Lundberg and A.D. Wilson, Van Nostrand Dorr owned the Lundberg, Dorr, & Wilson gold & silver mining operation in Terry, South Dakota. In 1916, he…