
Crick and Watson's DNA Molecular Model
1953
1953
1953
1960
1948-1953
(1962); 1982
1959
1949
1949
1830 (original); 1967 (model)
1948-1950
circa 1956-1959
1948
1946
1950-1959
1955
1950-1959
1955
1948
1957
1962
circa 1960
1957
1947
1961
circa 1955
1950
1960
1950
1951
1950-1960
1957
1957
1955
1957
1957
1954
1949
1958
1951
1953
1956
circa 1953
1951
1950-1953
1955
1950-1960
1951
1956
1959
1959