Chemists have changed the way that science looks at the world. By breaking substances down to the atomic level, chemists have greatly expanded our knowledge of the world. Click here to find articles about the greatest chemists in history.

Baron Jons Jakob Berzelius

Berzelius, Jons Jakob, Baron (1779-1848), the Swedish chemist who devised the system of chemical symbols and formulas.

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  • Charles John Pedersen

    Charles John Pedersen

    Pedersen, Charles John (1904-1989) was an American chemist who shared the 1987 Nobel Prize in chemistry with Donald James Cram of the United States and Jean-Marie Lehn of France. See more »

  • Charles Robert Harington

    Charles Robert Harington

    Harington, Charles Robert (1897-1972) was a British chemist. He made important discoveries in biochemistry, particularly in his studies of the thyroid gland, a body organ located in the front of the neck. See more »

  • Christian Rene De Duve

    Christian Rene De Duve

    De Duve, Christian Rene, (1917-) a British-born Belgian biochemist, shared the 1974 Nobel Prize in physiology or medicine with American cell biologists Albert Claude and George Emil Palade. See more »

  • Christopher Ingold

    Christopher Ingold

    Ingold, Christopher (1893-1970) was a British chemist. He made fundamental contributions to the field of organic chemistry, the study of compounds that contain carbon atoms. See more »

  • Claude-Louis Berthollet

    Claude-Louis Berthollet

    Berthollet, Claude-Louis (1748-1822) was an Italian-born French chemist who first proved that chemical reactions and affinities are dependent upon physical factors, such as mass and temperature. See more »

  • Cyril Hinshelwood

    Cyril Hinshelwood

    Hinshelwood, Cyril (1897-1967) was a British chemist. He won the 1956 Nobel Prize in chemistry for his work in chemical kinetics —the study of the conditions under which chemical reactions occur when molecules are in motion, and its application to bacterial cells. See more »

  • Derek Barton

    Derek Barton

    Barton, Derek (1918-1998), a British chemist, investigated natural organic compounds. See more »

  • Dmitri Ivanovich Mendeleev

    Dmitri Ivanovich Mendeleev

    Mendeleev, Dmitri Ivanovich (1834-1907), a Russian chemist. He discovered the periodic law, which states that the properties of elements are periodic functions of their atomic weights. See more »

  • Donald James Cram

    Donald James Cram

    Cram, Donald James (1919-2001) was an American organic chemist who shared the 1987 Nobel Prize in chemistry with French chemist Jean-Marie Lehn and American chemist Charles John Pedersen. See more »

  • Dorothy Crowfoot Hodgkin

    Dorothy Crowfoot Hodgkin

    Hodgkin, Dorothy Crowfoot (1910-1994), a British chemist and crystallographer, won the 1964 Nobel Prize in chemistry for X-ray studies of molecular compounds such as penicillin and vitamin B12. See more »

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