1920 - '49
early 50's
late 50's
1960's
1970's
100
It took him eight years and more than 10,000 pea plants to discover the laws of inheritance.
Who is Gregor Mendal
100
DNA X-ray diffraction pattern.
Who is Rosalind Franklin?
100
While Meselson and Stahl were doing their experiments, O was isolating the enzyme that synthesizes DNA, called DNA polymerase. I made a cell-free system that replicates DNA.
Who is Arthur Komberg?
100
He showed that rRna was not the template for building proteins.
Who is Sydney Brenner?
100
Discovered the chromatin structure.
Who is Roger Kornberg?
200
Worked on the genetics of fruit flies.
Who is Thomas Morgan?
200
Used a blender for experimenting
Who are Martha Chase and Alfred Hershey
200
I was interested in protein synthesis. I didn’t know about Crick’s Dogma or his adapter hypothesis. I approached the issue fro a biochemical point of view.
Who is Paul Zamecnik?
200
“Cracked the genetic code”.
Who is Marshall Nirenberg?
200
Nobel Peace Prize winners by splicing DNA.
Who are Richard Roberts and Phillip Sharp?
300
I emphasized that transposition can provide a means to rapidly reorganize the genome in response to environmental stress.
Who is Barbara McClintock?
300
Discovered the double helix
Who is Francis Crick?
300
Came up with double helix structure.
Who is Francis Harry?
300
Found that mouse cells contain multiple copies of very similar DNA sequences.
Who is Roy Britten?
300
He found that the RNA genome of poliovirus became the mRNA message once it entered the cytoplasm.
Who is David Baltimore?
400
Made the Transforming Factor.
Who is Oswald Avery?
400
Founded the genetics of phage.
Who is Seymour Benzer?
400
He developed a technique of density gradient centrifugation and used it to prove that DNA was replicated in a semi-conservative way.
Who is Franklin William?
400
Was the first to discover how genes were turned on and off.
Who is Jacques Monod?
400
He was awarded the National Medal of Science in 1988.
Who is Stanly Cohen?
500
Won Nobel Peace Prize with Edward Tatum in 1958.
Who is George Beadle?
500
Added an extra strand of DNA to create a triple stranded helix.
Who is Linus Pauling
500
Made a replication experiment.
Who are Matthew Meselson and Franklin Stahl?
500
Won 1965 Nobel Prize with Monod.
Who is Francois Jacob?
500
Abortion was legalized.
When is 1973
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