Search Results

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  Portraits, Photographs

  Portrait of Wilhelm Ostwald

  • Undated

  • Publisher Engelmann, Wilhelm, 1808-1878
  • Subject Ostwald, Wilhelm, 1853-1932, Chemists, Scientists
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  Engravings, Portraits, Prints

  Portrait of Wilhelm Pfeffer

  • Undated

  Engraving of Wilhelm Pfeffer (1845-1920). Pfeffer was a German botanist and pioneer in plant physiology. In 1887, he became a professor at the University of Leipzig and the director of its botanical garden.

  • Subject Pfeffer, W. (Wilhelm), 1845-1920, Botanists, Portraits, Scientists
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  Portraits

  Portrait of William Ramsay

  • Undated

  Portrait of William Ramsay (1852-1916).

  The Scottish chemist William Ramsay (1852–1916) is known for his work introducing the noble gases (Helium, Neon, Argon, Krypton, Xenon, and Radon) as a new group on the periodic…

  • Printer Meisenbach Riffarth & Company
  • Publisher Engelmann, Wilhelm, 1808-1878
  • Subject Ramsay, William, 1852-1916, Chemists, Portraits, Meisenbach Riffarth & Company