Khan Academy
Khan Academy: Classic Experiments: Dna as the Genetic Material
Learn about the experiments by Frederick Griffith, Oswald Avery, Alfred Hershey, and Martha Chase that led to the discovery of DNA as the genetic material.
National Health Museum
Access Excellence: Structure of the Dna Molecule
Read a history of the discovery and study of DNA and its structure. Links to a graphic, other references, and classroom activities.
Nobel Media AB
The Nobel Prize: The Nobel Prize in Physiology or Medicine 1962 Award Ceremony
Here you can find the full text of the speech, by Professor A. Engstrom, presenting the 1962 Nobel Prize in Physiology or Medicine to Maurice Wilkins, James Watson, and Francis Crick for their discovery of DNA's structure. The speech...
Famous Scientists
Famous Scientists: Erwin Chargaff
Learn about the Austrian biochemist and author, Erwin Chargaff, best known for "Chargaff's Rules" which lead to the discovery of DNA's double helix structure.
National Health Museum
Access Excellence: Rosalind Franklin (1920 1958)
Access Excellence provides a biography of Rosalind Franklin and her role in explaining DNA's structure.
Famous Scientists
Famous Scientists: James Watson
Learn about the life and great discoveries of James Watson in this article. Learn about his most famous discovery of the molecular structure of DNA.
Famous Scientists
Famous Scientists: Francis Crick
Discover Francis Crick, British molecular biologist, physicist, and neuroscientist who jointly won a Nobel Prize for his discoveries concerning the molecular structure of nucleic acids.