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Fredrick Griffith
used Streptococcus pneumoniae, transfer of this information transformation
Avery, MacLeod, & McCarty
repeated Griffith’s experiments, used purified cell extracts, DNA was the transforming material
Hershey & Chase
make sure its DNA, investigated bacteriophages: viruses that infect bacteria
Rosalind Franklin
used X-ray diffraction studies
Watson & Crick
proposed a double helix structure
Meselson & Stahl
proposed 3 mechanism for DNA, conservative, semiconservative, and dispersive, found out it was semiconservative