Science Research (Presentation)

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    Science Research (Presentation) - Presentation Transcript

    1. Rosalind Flsie Franklin
      • Achievement / Introduction
      • Process
      • Lifespan
    2. Achievement / Introduction
      • When she was 15, she decided to become a scientist.
      • Her father wanted her to become a social worker.
      • Rosalind Flsie Franklin (July 25, 1920 – April 16, 1958)
      • English biophysicist and crystallographer who made important contributions to the understanding of the fine structures of DNA , viruses , coal and graphite .
      • Franklin is best known for her work on the
      • X-ray diffraction images of DNA.
    3. Process
      • 1947 to 1950, she worked at the Laboratories Central (Services Chimiques de L'Etat) in Paris.
      • In 1951, she returned to England and worked in the lab at King's College in Cambridge.
      • It was there that she was given the responsibility for the DNA project and she worked somewhat awkwardly with Maurice Wilkins.
      • Rosalind almost cracked the DNA code, but Wilkins gave some of her DNA pictures to James Watson and Francis Crick, and they solved it.
      • Rosalind moved to a lab at Birkbeck College where she studied the tobacco mosaic virus and the polio virus.
    4. Lifespan
      • In 1956, Rosalind became sick with ovarian cancer.
      • Died on April 16, 1958 in England from the cancer.
    5. James Watson
      • - Achievement / Introduction
      • Process
      • Lifespan
    6. Achievement / Introduction
      • James Dewey Watson (born: April 16, 1928) is an American molecular biologist, best known as one of the co-discoverers of the structure of the DNA molecule.
      • Watson, Francis Crick, and Maurice Wilkins were awarded the 1962 Nobel Prize for Physiology or Medicine
      • For their discoveries concerning the molecular structure of nucleic acids.
    7. Process
      • James Watson became a Senior Research Fellow in Biology at the California Institute of Technology.
      • The following year he moved to Harvard University, where he became Professor of Biology, a post he held until 1976.
      • In 1968 Watson published his account of the DNA discovery, “ The Double Helix” .
      • The book became an international best-seller, but some in the scientific community were scandalized.
      • James Watson insisted that devotion to the truth was as essential in writing for the general public as it is in scientific research.
    8. Lifespan
      • Universities and governments around the world have honored James Watson with honorary degrees and decorations.
      • Apart from his many scientific papers and the best-selling Double Helix.
      • Watson's writings include:
      • - The DNA Story
      • - Molecular Biology of the Gene
      • -Molecular Biology of the Cell Recombinant DNA: A Short Course
    9. Next Scientist
      • John Dalton
      • Marie Curie
    10. John Dalton
      • Achievement / Introduction
      • - Process
      • Lifespan
    11. Achievement / Introduction
      • John Dalton (September 6, 1766 - July 27, 1844)
      • the English teacher (chemist, and physicist)
      • Best known for developing the ancient concept of atoms into a scientific theory that has become a foundation of modern chemistry.
      • A self-taught experimenter, he devised simple but effective apparatuses for his well-planned tests.
      • Although authors have emphasized the crudeness of his results, much of his data is remarkably accurate.
    12. Process
      • Around 1790, Dalton have considered taking up law or medicine, but his projects were not met with encouragement from his relatives.
      • Mainly through John Gough, a blind philosopher to whom he owed much of his scientific knowledge, Dalton was appointed teacher of mathematics and natural philosophy at the Manchester Academy.
      • He remained in that position until the college's relocation to York in 1803, when he became a public and private teacher of mathematics and chemistry.
    13. Lifespan
      • Died in Manchester in 1844 of paralysis.
      • The first attack he suffered in 1837 and a second in 1838 left him with a speech impediment, though he remained able to make experiments.
      • In May 1844, he had another stroke.
      • On July 26 he recorded with trembling hand his last meteorological observation, and on the 27th he fell from his bed and was found lifeless by his attendant.
      • Dalton was buried in Manchester in Ardwick cemetery (now a playing field) .
    14. Marie Curie
      • Achievement / Introduction
      • Process
      • Lifespan
    15. Achievement / Introduction
      • Marie Curie (November 7, 1867 – July 4, 1934) was a Polish-French physicist and chemist.
      • A pioneer in the field of radioactivity, the first twice-honored Nobel laureate (and still today the only laureate in two different sciences) , and the first female professor at the Sorbonne.
    16. Process
      • In 1891 she went to Paris, France, to study science.
      • She obtained her higher degrees and conducted nearly all her scientific work there, and became a naturalized French citizen.
      • She founded the Curie Institutes in Paris, France, and in her home town, Warsaw.
    17. Lifespan
      • By 1934, Curie's health was failing rapidly.
      • The toll of heavy exposure to radiation was at last overpowering her impressive constitution.
      • On 4 July 1934 she succumbed to aplastic anemia, or leukemia, induced by radiation exposure.
      • In 1995, she was exhumed and reburied at the Panthéon in Paris
    18. The End Completed by: - millie; 15 (john dalton & marie curie) - shumei; 32 (john dalton & marie curie) - stephanie; 25 (james watson & rosalind flsie franklin) - tse lay; 28 (james watson & rosalind flsie franklin)

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