
Crick and Watson's DNA Molecular Model
1953
1953
1953
1949
1934
1948-1953
1920-1950
1935
1942
1950-1952
1920-1925
1945-1955
1952-3
1920-1950
1945
1951
1940
1830 (original); 1967 (model)
1925-1935
1925-1935
1955
1928
1923
1946-1950
1940
1923
1920-1950
1920-1950
1940-1950
1948-1950
1935
1927
1955
1954
1953
1936
1946
1926
1951-1953
1955
1950-1953
1920
1930-1940
1945
1921-1931
1953
1939-1955
1949
1950
1934
1927