
Crick and Watson's DNA Molecular Model
1953
1953
1969-1970
1969
1953
1976-1979
1963
1960
(1962); 1982
1959
1969
1976
1830 (original); 1967 (model)
circa 1956-1959
1980
1970
1971
1968
1950-1959
1955
1950-1959
1955
circa 1960-1970
circa 1960-1970
1957
1962
circa 1960
1957
1971
1975
1969
1950-1969
1961
circa 1955
1979
1950
1955-1965
1960
1950
1965
1951
1965-1975
1950-1960
1957
1957
1955
1975
1957
1957
1954
1958