
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1948-1953
1969
1940
1964-1970
1976-1979
1955
1957
1942
1960
circa 1956-1959
1945-1955
1960-1969
1974
1964
1947-1958
1976
1955
1979
1955
1949
1955
1951-1953
(1962); 1982
1945
1945-1948
1960
1967
1830 (original); 1967 (model)
1951
1949
1978
1949
1960-1970
1951
1950
1948-1953
1963
1950
1960
1970-1971
1976
1952-3
1948-1950
1947
1950-1969
1961
1948-1970