Friedrich Meisher- Extracted the first sample of DNA
Fredrick Griffith- Discovered there was a transforming principle in the bacteria strains.
Phoebus Levene- Made a Model of DNA as a square structure
Oswald Avery (MacLeod and McCarty)- Showed DNA was the transforming principle
Erwin Chargaff - Discovered that amount of sugars in nucleotides were the same within species but different among other species.
Linus Pauling-He tried to draw a picture of DNA but as a Triple heklix design
Alfred Hershey and Martha Chase- They proved DNA and not proteins is the genetic material.
James Watson and Francis Crick - Discovered the structure and functions of DNA.
Maurice Wilkins- Worked with Franklin to discover the X-ray diffraction pattern of DNA.
Rosaling Franklin-Discovered the X-ray diffraction pattern of DNA.