
Crick and Watson's DNA Molecular Model
1953
1953
1948-1953
1949
1935
1945
1942
1952-3
1951
1953
1953
1949
1830 (original); 1967 (model)
1948-1950
1935
1948-1953
1940
1950-1952
1935
1936
1946
1935-1945
1946-1950
1940-1945
1951-1953
1937
1948
1936
1839 (original); circa 1988 (replica)
1937
circa 1939
1940
1951
1935-1950
1953
1946-1948
1948
1951
1935
1950
1940-1949
1940-1944
1990-96
1936
1950
1940-1950
1941-1950
1953
1937
1950
1936