discovering DNA

  • gregor mendel

    gregor mendel
    published the results of his investigations of the inheritance of "factors" in pea plants.
  • Oswald Avery

    Oswald Avery
    Avery worked on many strains of bacteria, adding different immunological and chemical methods.
  • Hershey-Chase

    Hershey-Chase
    They proved phage DNA, and not protein was the genetic materials.
  • James Watson, Francis Crick

    James Watson, Francis Crick
    determined the structure of double-stranded DNA.
  • Rosalind Franklin

    Rosalind Franklin
    Produced the x-ray crystallography pictures of BDNA.
  • Matthew Meselson

    Matthew Meselson
    him and stahl proved watson’s and crick’s model of semi-conservative replication.
  • Edward Tatum

    Edward Tatum
    he worked on bacteria strains found in milk, he researched to see what bacteria was needed for growth.
  • Erwin Chargaff

    Erwin Chargaff
    Isolated DNA from different organisms and measured the four nitrogenous bases.
  • Seymour Benzer

    Seymour Benzer
    Planned to look inside gene by using bacteriophage with mutant rII genes.
  • Arthur Kornberg

    Arthur Kornberg
    produced DNA in a test tube.