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Rosalind Franklin - DNA, Logical Revelations and Credit Discussion

Rosalind Elsie Franklin (25 July 1920 – 16 April 1958) was an English scientific expert and X-beam crystallographer whose work was key to the comprehension of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), infections, coal, and graphite. Even though she takes a shot at coal and infections were acknowledged in her life, her commitments to the disclosure of the structure of DNA were generally perceived after death.


Franklin's dad was Ellis Arthur Franklin (1894–1964), a politically liberal London shipper investor who instructed at the city's Working Men's School, and her mom was Muriel Frances Waley (1894–1976). Rosalind was the senior girl and the second youngster in the group of five kids. David (brought into the world 1919) was the oldest sibling; Colin (1923-2020), Roland (brought into the world 1926), and Jenifer (brought into the world 1929) were her more youthful kin.



Franklin went to St. Paul's Girls’ School School before examining physical chemistry at Newnham College,  Cambridge University. In the wake of graduating in 1941, she cooperated to lead research in physical chemistry at Cambridge. In any case, the development of World War II changed her game-plan: in addition to the fact that she served as a London air raid warden,  yet in 1942 she surrendered her fellowship to work for the British Coal Utilisation Research Association, where she examined the physical chemistry of carbon and coal for the war exertion. In any case, she had the option to utilize this exploration for her doctoral theory, and in 1945 she got a doctorate from Cambridge. From 1947 to 1950, she worked with Jacques Méring at the State Chemical Laboratory in Paris, considering X-beam diffraction innovation. That work prompted her examination of the auxiliary changes brought about by graphite development in warmed carbons—work that demonstrated significant for the coking business.



DNA, Logical Revelations and Credit Discussion

In January 1951, Franklin started working as a research associate at King's College London in the Biophysics Unit. Director John Randall used his experience and X-ray diffraction techniques (mostly proteins and lipids in solution) on DNA fibers. Studying DNA structure with X-ray diffraction, Franklin and her student Raymond Gosling made a wonderful discovery: they took pictures of DNA and discovered that there were two forms: the dry "A" form and the wet "B" form. One of their X-ray diffraction images of the "B" DNA shape, known as Photograph 51, became popular as the essential evidence for the identification of the DNA structure. The photo was acquired via 100 hours of X-ray exposure from the Franklin system itself.


John Desmond Bernal, one of the most well-known and controversial scientists in the United Kingdom and a pioneer in X-ray crystallography, spoke a lot about Franklin when her death in 1958. "As a scientist, Miss Franklin was characterized by extreme consistency and perfection in all she had undertaken," he said. "Her photos were among the most exquisite x-ray photos of any material ever taken. Their excellence was the product of great care in the planning and mounting of the specimens as well as in the taking of photographs."


Despite her careful and attentive work ethic, Franklin had a personality dispute with Maurice Wilkins, which would cost her a lot. In January 1953, Wilkins changed the direction of DNA history by unveiling her Photo 51, without Franklin's permission or knowledge, to rival scientist James Watson, who worked on his own DNA model with Francis Crick at Cambridge.


Upon seeing the photograph, Watson said, "My jaw dropped open, and my heart started to run," according to author Brenda Maddox, who wrote a book about Franklin entitled Rosalind Franklin: The Dark Lady of DNA in 2002.




In fact, the two scientists used what they saw in Photo 51 as the basis for their famous DNA model, which they published on 7 March 1953 and for which they received the 1962 Nobel Prize. Crick and Watson were also able to take much of the credit for the finding: when they published their model in Nature magazine in April 1953, they included a footnote saying that they were "stimulated by general knowledge" of Franklin's and Wilkins' unpublished contribution, when, in truth, much of their work was rooted in Franklin's photograph and findings. The agreement was reached between Randall and the Cambridge Laboratory Director, and both Wilkins' and Franklin's papers were published second and third in the same Nature issue. Still, it seemed that their papers merely endorsed Crick and Watson's.


Franklin left King's College in March 1953 and moved to Birkbeck College, where she researched the structure of the tobacco mosaic virus and the structure of the RNA. Since Randall left Franklin on the condition that she didn't work on DNA, she turned her attention back to the coal studies. In five years, Franklin published 17 papers on viruses, and its group laid the groundwork for structural virology.


Infirmity and Death

In the fall of 1956, Franklin learned out she had ovarian cancer. She continued to work for the next two years, despite undergoing three operations and experimental chemotherapy. She had a 10-month remission and operated until a few weeks before her death on 16 April 1958, at 37.





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