
Crick and Watson's DNA Molecular Model
1953
1953
1963
1953
1949
1948-1953
1963
1950-1952
1952-3
1960
1830 (original); 1967 (model)
circa 1956
1951
1960
1957
1955
circa 1956-1959
1950-1960
1948-1950
1953
1955
1955
1954
1958
1964
1953
1956
1950-1953
1964
1955-1964
1956
1959
1951-1953
1961-1962
(1962); 1982
circa 1956
1960
1948
1965
1965
1949
1961
1950
1951
1963
1948-1953
1956
1963
1953-1958
1955
1948