1. The History of DNA

2. 7/28/2011 2 Gregor Mendel

3. 7/28/2011 3

4. 7/28/2011 4 FREDRICK GRIFFITH http://timerime.com/en/event/674690/Frederick+Griffith/

5. 7/28/2011 5 http://www.nature.com/scitable/topicpage/isolating-hereditary-material-frederick-griffith-oswald-avery-336

6. 7/28/2011 6 OSWALD AVERY COLIN MACLEOD MACLYN McCARTY http://profiles.nlm.nih.gov/CC/Views/Exhibit/visuals/after.html

7. 7/28/2011 7 MARTHA CHASE ALFRED HERSHEY http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

8. 7/28/2011 8 LINUS PAULING http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

9. 7/28/2011 9 FRANCIS CRICK AND JAMES WATSON http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

10. 7/28/2011 10 ERWIN CHARGAFF Born: 11-Aug-1905Birthplace: Chernovtsy, UkraineDied: 20-Jun-2002Location of death: New York CityCause of death: unspecified Gender: MaleRace or Ethnicity: WhiteSexual orientation: StraightOccupation: Biologist, Chemist Nationality: United StatesExecutive summary: Biochemist at Columbia University

11. 7/28/2011 11 ERWIN CHARGAFF Born: 11-Aug-1905Birthplace: Chernovtsy, UkraineDied: 20-Jun-2002Location of death: New York CityCause of death: unspecified Gender: MaleRace or Ethnicity: WhiteSexual orientation: StraightOccupation: Biologist, Chemist Nationality: United StatesExecutive summary: Biochemist at Columbia University

12. 7/28/2011 12

13. 7/28/2011 13 ROSALIND FRANKLIN MAURICE WILKINS http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

14. 7/28/2011 14 ROSALIND FRANKLIN MAURICE WILKINS http://gandt.blogs.brynmawr.edu/web-papers/web-papers-2/women-in-science/

15. 7/28/2011 15 http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

16. 7/28/2011 16 http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/narrative/page1.html

17. 7/28/2011 17 http://commons.wikimedia.org/wiki/File:DNA-structure-and-bases.png

18. 7/28/2011 18 http://commons.wikimedia.org/wiki/File:Nucleotides_1.svg