
Crick and Watson's DNA Molecular Model
1953
1953
1969-1970
1969
1953
1901-1930
1920-1950
1920-1960
1918
circa 1900
1934
1976-1979
1935
1926-1932
1963
1915-1918
1920-1925
1960
1948-1953
(1962); 1982
1959
1918-1920
1919
1969
1976
1925-1958
1901-1910
1935-1965
1912
1900-1910
1923
1897
1984-1986
1903
1907
1949
1949
1889
1925-1935
1915-1925
1920-1950
1920-1950
1930-1960
1920-1950
c.1912
1909-1910
1830 (original); 1967 (model)
1910-1926
1895-1904
1915
1948-1950