Cell theory

• Robert Hooke (1665)

  -he used a microscope to to examine a thin slice of cork (small boxes)

  -he is responsible for naming cells

  -why? bcs they look like small rooms that monks lived called “cells”
• ANTON VAN LEEUWENHOEK (1673)

  -he was the first person to view organism (living things)

  -he used simple, handheld microscope to view pond water and scrapings of his teeth
• MATTHIAS SCHNEIDER(1838)

  -a german botanist named concluded that all plants are made of cells

  -he co-founded cell theory
• THEODORE SCHWANN (1839)

  • german zoologist concluded that all animals were made of cells


  1839
• • a german medical doctor observed , under the microscope that cells are dividing
  • he reasoned that all cells come from the other pre-existing cells by cell division.

  1855


  RUDOLPH VIRCHOW