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Period: to
DNA
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Fredrick Griffith
The first major experiment that led to the discoery of DNA. He found that one strand could be transformed, or changed, into other forms. From Textbook -
P.A. Levene
Determined the basic structure of nucleotides that make up DNA.From Textbook -
Oswald Avery
He identified the molecule that transformed the R strain of bacteria into the S strain. From Textbook -
Erwin Chargaff
Analyzed the amount of adenine, guanine, thymine,and cytosine in the DNA of various species. From Textbook -
Hershey and Chase
Alfred Hershey and Martha Chase published results of expierements that provided definite evidence that DNA is the transforming factor. From Textbook -
Rosalind Franklin
Took famous photo 51 that indicted that DNA was a double helix.From Textbook -
Linus Pauling
Linus made the electronic molecule structure. He became one of the first scientists in the field of quantum chemistry and a pioneer in the application of quantum theory to the structure of molecules.From Textbook -
Maurice Wilkins
Helped create double helix model for DNA.From Textbook -
Francis Crick
Built a model of the double helix. From Textbook -
James Watson
Built model of double helix DNA. From Textbook