Discovery Of DNA

By Jacob Cerezo

  • Friedrich Miescher

    Friedrich Miescher
    Johannes Friedrich Miescher was a Swiss physician and biologist. He was the first researcher to isolate and identify nucleic acid

  • Frederick Griffith

    Frederick Griffith
    Griffith's experiment, reported in 1928 by Frederick Griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation.

  • Oswald Avery

    Oswald Avery
    Avery was one of the first molecular biologists and a pioneer in immunochemistry, but he is best known for the experiment (published in 1944 with his co-workers Colin MacLeod and Maclyn McCarty) that isolated DNA as the material of which genes and chromosomes are made.

  • Erwin Chargaff

    Erwin Chargaff
    Erwin Chargaff’s research paved the way for the discoveries of DNA’s structure and its method of replication. His observation that DNA varies from species to species made it highly credible that DNA was genetic material. His identification of 1:1 ratios in DNA’