
Crick and Watson's DNA Molecular Model
1953
1953
1959
1965
circa 1958-1963
1963
1957
1955
1960
1964
circa 1956-1959
1953
1955
1955
1957
1962
circa 1960
2000-100 BCE
1955
1955
1961
circa 1955
1965
1962
1960
1955-1965
1953
1960
1964
1965
1955
1965
1955
1957
1955-1965
1961
1963
1965
1960
1965
1954
circa 1953
1955-1965
circa 1955
1957
1962
1958
1956
1964
1960
1964