
Crick and Watson's DNA Molecular Model
1953
1953
1953
1949
1934
1948-1953
1935
1942
1950-1952
1952-3
1945
1951
1940
1830 (original); 1967 (model)
1946-1950
1940
1940-1950
1948-1950
1935
1953
1936
1946
1951-1953
1950-1953
1945
1953
1949
1950
1934
1948
1935-1945
1940-1945
1947
1938
1947
1951
1946; 1946
1943
1944
1936
1948-1953
1937
1945
1938
1947
1947
1940
1938
1938
1938
1935