the history of dna discoveries

Which Scientist was able to determine that all organisms have equal ratios of A - T and C - G nucleotides ?

Chargaff

Which scientist was the first to show that transformation occurs between when he observed that heat killed pathogenic cells transformed the pathogen into nonpathogenic cells in mice?

Griffith

Which scientists ultimately got credit for the discovery of the structure of DNA?

Watson & Crick

Which scientists were able to prove that DNA is replicated in a semiconservative model?

Meselson & Stahl

Which scientist used x-ray diffraction photos of DNA to determine that is double helix?

Rosalind Franklin X

Which scientist was the first to prove that genes are located on chromosomes?

T.H. Morgan

Which scientists were able to prove with their blender experiment that DNA (not proteins) was transforming agent?

Hersey & Chase