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    • 1955-Oct-09

    Stamp depicts Leo Hendrik Baekeland, a Belgian chemist who invented Bakelite (polyoxybenzylmethylenglycolanhydride) in 1907. Bakelite was an inexpensive, versatile, and popular plastic, which marked the beginning of the…

    • 1966-Sep-07

    Friedrich August Kekule von Stradonitz was a German organic and theoretical chemist, whose most famous work was determining the structure of benzene. The FDC features Kekule on the cachet, a postmark depicting the…

    • 1960-Jun-04

    Cachet and stamp depict Johan Gadolin, who discovered the element yttrium and is considered the "founder of Finnish chemistry." The stamp commemorates the bicentennial of Gadolin's birth and features his likeness based…

    • 1977

    While celebrating its centenary in 1977, the Royal Institute of Chemistry of Great Britain shared honors with English Nobel prize winners in chemistry and physics. This stamp commemorates W. N. Haworth's receipt of the…

    • circa 1966

    Three chemists from the Naval Air Engineering Center (Philadelphia, Pa.) posed in front of the Aeronautical Materials Laboratory test site trailer bound for Florida. The chemists are identified as follows (from left):…

    • circa 1910

    Portrait of Jokichi Takamine (1854-1922). The son of a doctor, Takamine graduated from the College of Science and Engineering of the Imperial University of Tokyo in 1879 and, with support from the Japanese government,…

    • 1904

    Portrait of Ira Remsen (1846-1927). Along with Constantin Fahlberg, Remsen discovered the artificial sweetener saccharin in 1879.

    A native of New York City, Remsen received his M.D. from the Columbia University…

    • 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 1950

    Portrait of Benjamin Talbot Brooks (b. 1885). Brooks was an authority on petroleum and author of several volumes on the subject, including The Chemistry of Petroleum Hydrocarbons (1954-55).

    • circa 1920

    Portrait of Benjamin Talbot Brooks (b. 1885). Brooks was an authority on petroleum and author of several volumes on the subject, including The Chemistry of Petroleum Hydrocarbons (1954-55).

    • circa 1907

    Portrait of Marston Taylor Bogert (1868-1954), American Chemical Society President (1907-1908) known for his work on the synthesis of heterocyclic compounds, dyes, pharmaceuticals, and perfumes.

    Marston Taylor Bogert…

    • 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…

    • 1920s

    Portrait of Marston Taylor Bogert (1868-1954), American Chemical Society President (1907-1908) known for his work on the synthesis of heterocyclic compounds, dyes, pharmaceuticals, and perfumes.

    Marston Taylor Bogert…

    • 1950s

    Portrait of Edgar Clay Britton (1891-1962). Born in Rockville, Indiana in 1891, Britton studied chemistry at the University of Michigan under Dr. William J. Hale. He earned his Ph.D. from Michigan in 1918 and, while at…

    • Undated

    Wilbur Kaye was hired by Beckman Instruments in 1956 as the Director of Research, Scientific Instruments Division. While there, he modified the Beckman DU Spectrophotometer design, producing the DK Spectrophotometer…