
Crick and Watson's DNA Molecular Model
1953
1953
1953
1934
1935
1926-1932
1963
1960
1948-1953
(1962); 1982
1959
1935-1965
1949
1949
1930-1960
1830 (original); 1967 (model)
1948-1950
circa 1956-1959
1926
1948
1946
1950-1959
1955
1950-1959
1955
1943
1948
1957
1962
circa 1960
1957
1947
1935
1961
circa 1955
1928
1935
1934
1950
1955-1965
1960
1950
1965
1935
1951
1950-1960
1940
1957
1957
1955
1957