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