The History of DNA

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Gregor Mendel

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FREDRICK GRIFFITH

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http://www.nature.com/scitable/topicpage/isolating-hereditary-material-frederick-griffith-oswald-avery-336

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OSWALD AVERYCOLIN MACLEOD

MACLYN McCARTYhttp://profiles.nlm.nih.gov/CC/Views/Exhibit/visuals/after.html

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MARTHA CHASE ALFRED HERSHEY

http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

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LINUS PAULING

http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

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FRANCIS CRICK AND JAMES WATSON

http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

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ERWIN CHARGAFFBorn: 11-Aug-1905Birthplace: Chernovtsy, UkraineDied: 20-Jun-2002Location of death: New York CityCause of death: unspecified

Gender: MaleRace or Ethnicity: WhiteSexual orientation: StraightOccupation: Biologist, ChemistNationality: United StatesExecutive summary: Biochemist at Columbia University

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ERWIN CHARGAFFBorn: 11-Aug-1905Birthplace: Chernovtsy, UkraineDied: 20-Jun-2002Location of death: New York CityCause of death: unspecified

Gender: MaleRace or Ethnicity: WhiteSexual orientation: StraightOccupation: Biologist, ChemistNationality: United StatesExecutive summary: Biochemist at Columbia University

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  A T G C

Homo sapiens 31 31.5 19.1 18.4

Drosophila melanogaster

27.3 27.6 22.5 22.5

Zea mays 25.6 25.3 24.5 24.6

Neurospora crassa 23 23.3 27.1 26.6

Escherichia coli 24.6 24.3 25.5 25.6

Bacillus subtilis 28.4 29 21 21.6

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MAURICE WILKINS

ROSALIND FRANKLIN

http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

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MAURICE WILKINS

ROSALIND FRANKLIN

http://gandt.blogs.brynmawr.edu/web-papers/web-papers-2/women-in-science/

04/13/2023 15http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

04/13/2023 16http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

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http://commons.wikimedia.org/wiki/File:DNA-structure-and-bases.png

04/13/2023 18http://commons.wikimedia.org/wiki/File:Nucleotides_1.svg