Erwin Chargaff (11 August 1905 – 20 June 2002) was an Austrian biochemist who immigrated to the United States during the Nazi era and was a professor of biochemistry at Columbia University medical school. Through careful experimentation, Chargaff discovered two rules that helped lead to the discovery of the double helix structure of DNA. The first rule was that in DNA the number of guanine units equals the number of cytosine units, and the...
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Erwin Chargaff (11 August 1905 – 20 June 2002) was an Austrian biochemist who immigrated to the United States during the Nazi era and was a professor of biochemistry at Columbia University medical school. Through careful experimentation, Chargaff discovered two rules that helped lead to the discovery of the double helix structure of DNA. The first rule was that in DNA the number of guanine units equals the number of cytosine units, and the...