Scientific Dates and discoveries

Timeline created by Jonathan A.
  • Robert Hooke

    Hooke was the first scientist to discover cells. He contributed the study of cells while looking at a thin slice of cork
  • Antonie Leeuwenhoek

    Leeuwenhoek was the first scientist to observe cells under a microscope. Leeuwenhoek is considered the father of microbiology.
  • Matthias Schleiden

    Schleiden was known for discovering the cell theory.
  • Theodor Schwann

    Discovered the enzyme pepsin glial cells in nerves. He also identified the role microorganisms play in alcohol fermentation
  • Rudolf Virchow

    Virchow discovered that cells are created from the division of cells, described as "every cell originates from another existing cell".
  • Gregor Mendel

    Mendel discovered the basic principles of heredity through experiments in his garden.
  • William Bateson

    Was the first person to use the term genetics. He also recognized the work of Gregor Mendel.
  • Reginald Punett

    Punett discovered with bateson linkage, sex determination, sex linkage, and also an example of autosomal linkage.
  • Frederick Griffith

    Griffith discovered what he called a "transforming principle" that caused inheritance.
  • Gilbert N. Lewis

    Lewis discovered the covalent bond and his concept of electron pairs.
  • Francis Crick

    Crick and Watson worked together and announced that they have determined the double-helix structure of DNA, the molecule containing human genes.
  • Hans Adolf Krebs

    Krebs discovery in living organisms of the series of chemical reactions known as tricarboxylic acid cycle (also called the critic acid cycle, or Krebs cycle
  • Oswald Avery

    Discovered that DNA is the material of which gene's and chromosomes are made.
  • James Watson

    Discovered the double-helix structure of the DNA molecule along with Francis Crick