
Crick and Watson's DNA Molecular Model
1953
1953
1953
1949
1948-1953
1942
1950-1952
1945-1955
1952-3
1960
1945
1951
1960
circa 1956
1940
1830 (original); 1967 (model)
1955
1957
1946-1950
1940
circa 1956-1959
1950-1960
1940-1950
1948-1950
1955
1954
1953
1956
1946
1956
1959
1951-1953
1955
1950-1953
1945
1953
1958
1960
1949
1950
1948
1940-1945
circa 1956
1947
1947
1951
1946; 1946
1943
1944
1948-1953
1956