Individual #Theodor_Schwann__Schwann  German physiologist and histologist who in 1839 identified the cell as the basic structure of plant and animal tissue (1810-1882)
  type:  physiologist  a biologist specializing in physiology
  type:  histologist  anatomist who specializes in the microscopic study of animal tissues

No statement uses or specializes Theodor_Schwann; click here to add one.