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Google honors Rosalind Franklin with „Photo 51-Doodle“

Rosalind Franklin Doodle

Rosalind Franklin Doodle

Google honors Rosalind Franklin with a nice doodle. It shows a microscope and a piece of DNA. Rosalind Elsie Franklin (25 July 1920 — 16 April 1958) was a British biophysicist and X-ray crystallographer. She is best known for her work on the X-ray diffraction images of DNA which led to the discovery of the DNA double helix. Franklin was never nominated for a Nobel Prize. She had died in 1958 and was ineligible for nomination to the Nobel Prize in 1962 which was subsequently awarded to Crick, Watson, and Wilkins in 1962.

Rosalind Franklin Doodle

Rosalind Franklin Doodle

Rosalind Franklin

The doodle is a classical static picture. It shows a microscope on the left (Google chars „Goo“) with Rosalind Franklin in the right occular. On the rigt is a picture of the DNA through the microscope (char „e“). It is the famous „Photo 51„. Photo 51 is the nickname given to an X-ray diffraction image of DNA taken by Raymond Gosling in May 1952 under the direction of Rosalind Franklin at King’s College London in Sir John Randall’s group. It was critical evidence in identifying the structure of DNA. The chars „gl“ show a piece of the DNA double helix.

Photo 51:  X-ray diffraction image of DNA

Photo 51: X-ray diffraction image of DNA

Franklin is best known for her work on the X-ray diffraction images of DNA which led to the discovery of the DNA double helix. Her data, according to Francis Crick, were „the data we actually used“ to formulate Crick and Watson’s 1953 hypothesis regarding the structure of DNA. Franklin’s images of X-ray diffraction confirming the helical structure of DNA were shown to Watson without her approval or knowledge.

Rosalind Franklins biography

Here’s a nice video about Rosalind Franklins biography.

More about Rosalind Franklin at Wikipedia.

As ever here the doodle as a video:

via newdoodles

Here some more doodles that reminds to the Franklin doodle:

Julius Richard Petri

Google honors the German bacteriologist Julius Richard Petri with an amazing doodle. It is a “real doodle”, that means, it shows a real process as a timelapse video. Julius Richard Petri has become famous mainly for his invention of the Petri dish. That are small vitreous dishes made of glas. The Doodle shows six bacterial cultures growing in the form of the Google letters. Funny idea for an extraordinary logo-animation …

Petri doodle

Petri doodle

Read more: Bacterial doodle for Julius Richard Petri

Niels Bohr Doodle

Niels Bohr was a danish physician. Google celebrates his 127th birthday with a nice Doodle. Bohr made foundational contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922. The doodle shows a model of a hydrogen atom. Around the Nucleus you can see three orbits. If an electron „jumps” in another orbit it emitted a photon of energy with a specific frequency. The background looks like a radioactive trace.

Niels Bohr doodle

Niels Bohr doodle

Read more: Google celebrates Niels Bohr with atom doodle

Robert Bunsen Doodle

“Bunsen burner day”: 200 years ago, precisely on 30 March 1811, the later chemist Robert Bunsen was born in Göttingen, Germany. The researcher and professor gets famous with the development of a gas burner called “bunsen-burner”. The gas-powered flame could be controlled selectively. It has become the epitome of a creative chemistry laboratory. Of course Google take the chance to honor Robert Bunsen today with a nice bubbling interactive doodle.

Robert Bunsen Doodle

Robert Bunsen Doodle

Read more: Google honors Robert Bunsen with bubbling burner-doodle

Category: Google Doodle | Author: Martin Missfeldt   2 Kommentare

2 Comments zu "Google honors Rosalind Franklin with „Photo 51-Doodle“"

  1. Charles Jui

    Nice doodle… unfortunately it missed the most important point of Franklin’s contribution. She made the best X-ray diffraction graphs. The one that Wilkins showed to Watson and Crick (without her knowledge) can be seen at
    http://www.thetruthaboutforensicscience.com/wp-content/uploads/2010/09/franklin-typebphoto.jpg

    The important point is that while the cross pattern tells you the structure is helical. It is the fact that the 3rd dark band (counting from the inner most that can be seen clearly) is MISSING that tells you there is destructive interference from two intertwined helices — the DOUBLE helix. Crick did not miss the significance of this and without the excellent quality of the X-ray photograph one could not be sure that the third band was missing. The doodle completely missed that subtle but OH SO important feature!

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