
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1955
1963
1960
circa 1956
circa 1956-1959
1960
1953
1956
1953
1959
1839 (original); circa 1988 (replica)
1965
1961
1963
1960
1955
1955
1957
1962
circa 1960
1957
1963-08-11
1953-1958
1961
circa 1955
1962
1960
1955-1965
1960
1960
1964
1965
1955; 1830
1965
1955
1961-1962
1954-1955
1959
1960
1955-1965
1956
1963
1960
1965
1954
1958
1964