Events
Friedrich Miescher -
The discovery of DNAJohann Gregor Mendel -
The laws of heredityThomas Hunt Morgan -
The genetics of fruit fliesNOTE: These events labelled "1 Jan 1920"
are representing the pre 1920s as a whole.1929
Phoebus Levene -
Components of DNA discovered1928
Frederick Griffith -
Genetic factor in bacteria transferred1943
William Astbury -
First pictures of DNA taken1944
Oswald Avery, Colin MacLeod, and Maclyn McCarty -
More proof for DNA in genes over proteins1953
James Dewey Watson & Francis Harry Compton Crick -
The double helix1952
Rosalind Elsie Franklin & Maurice Wilkins -
DNA crystals photographed1953
Linus Pauling -
The triple helix1950
Erwin Chargaff -
Base pairs discovered1952
Martha Chase & Alfred Day Hershey -
The blender experiment1956
George Gamow -
Theorized about the genetic code;
won a prize from UNESCO for
popularizing science1968
Marshall Nirenberg & Har Gobind Khorana -
Did experiments leading to discovery of
genetic code; shared a Nobel Prize1977
Frederick Sanger -
DNA sequencing1978
Werner Arber -
Shared Nobel Prize for discovery that would lead
to development of recombiant DNA technology1983
Kary Mullis -
Invented polymerase
chain reaction (PCR)1975
Paul Berg -
Organizer of the Asilomar
conference on recombiant DNA1993
Francis Collins -
The human genome2000
Celera Organization and U.S. Department of Energy -
Human genome project draft announcement2003
Celera Organization and U.S. Department of Energy -
Human genome final completion of sequence
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