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    • 1950s

    Portrait of American entrepreneur Richard Scott Perkin (1906-1969) seated at a desk. In 1937, Richard Perkin and Charles Elmer (1872-1954) founded the Perkin-Elmer Corporation, an optical design and consulting company…

    • 1960s

    Portrait of American entrepreneur Richard Scott Perkin (1906-1969). In 1937, Richard Perkin and Charles Elmer (1872-1954) founded the Perkin-Elmer Corporation, an optical design and consulting company that later…

    • 1960s

    Portrait of American entrepreneur Richard Scott Perkin (1906-1969). In 1937, Richard Perkin and Charles Elmer (1872-1954) founded the Perkin-Elmer Corporation, an optical design and consulting company that later…

    • 1950s

    Portrait of Percy Lavon Julian (1899-1975), African American research chemist and pioneer in the chemical synthesis of medicinal drugs from plants.

    Percy Lavon Julian was born in Montgomery, Alabama on April 11, 1899…

    • 1926-Jun

    Portrait of (left to right) Dr. Albert Baird Hastings (1895-1987) and Dr. James A. Hawkins posed in a laboratory at the Hospital of the Rockefeller Institute for Medical Research (H.R.I.M.R.). Best known for the study…

    • 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…

    • 1927-Dec-12

    Portrait of Dr. Arthur A. Noyes (1866-1936) posed in the doorway of the Chemical Library of the Gates Chemical Laboratory at the California Institute of Technology in Pasadena, California. Per notations accompanying the…

    • 1910s

    Group portrait of chemist and educator Edgar Fahs Smith (1854-1928) and University of Pennsylvania students posed in front of what is believed to be the Harrison Chemical Laboratory building. Over the course of his…

    • 1910s

    Portrait of Edgar Fahs Smith (1854-1928), a chemist and educator best known for his association with the University of Pennsylvania and the Edgar Fahs Smith Memorial Collection in the History of Chemistry.

    Edgar Fahs…

    • 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…

    • 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).

    • circa 1930

    Portrait of John Francis Queeny (1859-1933), founder of the Monsanto Company, and dog. A 30-year veteran of the nascent pharmaceutical industry, Queeny founded the Monsanto Company in St. Louis, Missouri in 1901.…

    • 1950s

    Portrait of Edgar Monsanto Queeny (1897-1968), U.S. industrialist and chairman of the Monsanto Company from 1928 to 1960. The son of Monsanto founder John Francis Queeny, Edgar Monsanto Queeny is credited with…

    • 1950s

    Portrait of Edgar Monsanto Queeny (1897-1968), U.S. industrialist and chairman of the Monsanto Company from 1928 to 1960. The son of Monsanto founder John Francis Queeny, Edgar Monsanto Queeny is credited with…

    • 1950s

    Portrait of Edgar Monsanto Queeny (1897-1968), U.S. industrialist and chairman of the Monsanto Company from 1928 to 1960. The son of Monsanto founder John Francis Queeny, Edgar Monsanto Queeny is credited with…

    • 1950s

    Portrait of Edgar Monsanto Queeny (1897-1968), U.S. industrialist and chairman of the Monsanto Company from 1928 to 1960. The son of Monsanto founder John Francis Queeny, Edgar Monsanto Queeny is credited with…

    • 1969-May-23

    The press release announces the appointments of Robert J. Baumann, Edward B. Bell, and Louis T. Rosso to new roles within the company.

    • 1990s

    The office pictured was in Arnold Beckman's home; he was 93 when the photograph was taken. The two color photographs were taken during his 90th birthday celebration.

    Dr. Arnold O. Beckman (1900-2004) invented the first…

    • Undated

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…

    • 1980s

    Some photographs are inscribed with details regarding dates and the occasion for the photograph.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a…

    • 1970s

    Some photographs include more specific dates or notes, including an image's use in the 1973 annual report.

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus…

    • 1963 – 1966

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…

    • 1960 – 1962

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…

    • 1950s

    Some of the portraits bear a photographer's stamp or more specific date (occasionally contradicting other prints of the same photograph).

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful…

    • 1945

    Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…