Now showing items 1-4 of 4

    • Matthias Jacob Schleiden (1804–1881) 

      Parker, Sara
      Matthias Jacob Schleiden helped develop the cell theory in Germany during the nineteenth century. Schleiden studied cells as the common element among all plants and animals. Schleiden contributed to the field of embryology ...
    • Osmotic Investigations: Studies on Cell Mechanics (1877), by Wilhelm Pfeffer 

      Parker, Sara
      Wilhelm Pfeffer published his book Osmotische Untersuchungen: Studien Zur Zellmechanik (Osmotic Investigations: Studies on Cell Mechanics) in 1877 during his time as a professor of botany at the University of Basel in ...
    • Pfeffer Cell Apparatus 

      Parker, Sara
      The Pfeffer Zelle (Pfeffer Cell Apparatus), invented by Wilhelm Pfeffer in 1877, measured the minimum pressure needed to prevent a pure solvent from passing into a solution across a semi-permeable membrane, called osmotic ...
    • Wilhelm Friedrich Phillip Pfeffer (1845-1920) 

      Parker, Sara (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-11-30)
      Wilhelm Friedrich Phillip Pfeffer studied plants in Germany during the late nineteenth and early twentieth centuries. He started his career as an apothecary, but Pfeffer also studied plant physiology, including how plants ...