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Gregor Mendal
Through his work on pea plants, discovered the fundamental laws of inheritance. -
Friedrich Miescher
Isolated "nuclein," DNA with associated proteins, from cell nuclei. He was the first to identify DNA as a distinct molecule. -
Frederick Griffith
Showed us that bacteria can distinctly change their function and form through transformation -
Oswald Avery
Isolated DNA as the material of which genes and chromosomes are made. -
Erwin Chargaff
Discovered that the proportions of bases in DNA depend on the species the DNA comes from -
Rosalind Franklin
X-ray diffraction images of DNA -
Hersey and Chase
Determined that a protective protein coat was formed around the bacteriophage, but that the internal DNA is what conferred its ability to produce progeny inside a bacterium -
Watson and Crick
Determined the double-helix structure of DNA, -
Collins and Venter
Independently mapped and sequenced human DNA.
