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DNA History Timeline

  • Fredrich Miescher

    Fredrich Miescher
    First to identify nucleic acid.
  • Fredrick Griffith

    Fredrick Griffith
    Showed that bacteria could transform from one strain to many more.
  • Max Delbruck

    Max Delbruck
    Helped launch the molecular biology research program. (late thirties, date unknown)
  • Beadle and Tatum

    Beadle and Tatum
    Discovered how genes direct the synthesis of enzymes that control metabolic processes. (specific date unknown)
  • Avery , McCarty, MacLeod

    Avery , McCarty, MacLeod
    Discovered that DNA is the substance that causes bacterial transformation. (specific date unknown)
  • Paul Berg

    Paul Berg
    Contributed to basic research involving nucleic acids. (Specific date unknown.)
  • Alfred Hershey and Martha Chase

    Alfred Hershey and Martha Chase
    Confirmed that DNA is genetic material.
  • Rosalind Franklin & Maurice Wilkins

    Rosalind Franklin & Maurice Wilkins
    Worked with many to formulate a Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid.
  • James Watson and Francis Crick

    James Watson and Francis Crick
    Discovered teh structure of DNA.
  • Matthew Meselson and Frank Stahl

    Matthew Meselson and Frank Stahl
    Showed that DNA replicates semi-conservatively.
  • Arthur Kornberg

    Arthur Kornberg
    Discovered of the mechanisms in the biological synthesis of deoxyribonucleic acid.
  • Erwin Chargaff

    Erwin Chargaff
    Discovered two rules that helped lead to the discovery of the double helix structure of DNA (Specific date unknown.)
  • Marshall Nirenberg

    Marshall Nirenberg
    Discovered that the genetic code operates in protein synthesis.
  • Stanley Cohen and Herbert Boyer

    Stanley Cohen and Herbert Boyer
    Discovered methods to combine and transplant genes. (Specific date unknown.)
  • Kary Mullis

    Kary Mullis
    Improved the polymerase chain reaction technique.