
Crick and Watson's DNA Molecular Model
1953
1953
circa 1956-1959
1960
1955
1957
1959
1952-3
1953
1955
1953
1963
1830 (original); 1967 (model)
1964
1955
1960
1956
1960
1964
1963
1964
1961
1967
1955
1965
1966
1963
1960
1954
1958
(1962); 1982
1839 (original); circa 1988 (replica)
1962
1967
1960
1955
1955-1965
1955
1957
1956
1960
1964
1960
circa 1956
1953
1962
1961-1962
1965
1955
1963
1957