
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1969
1949
1976-1979
1976
1955
1960
1951
1960
1957
1953
1948-1953
1955
circa 1956
1945-1955
circa 1956-1959
circa 1980
1975
1964
1985
1985
1970-1979
1976-1982
1963
1979
1951-1953
1953
1959
1973
1945
1969
1960
1960
circa 1956
1960
1978
1970-1981
1968
1961
1978
1974
1974
1948-1953
1948-1950
1954-1968
1962
1981-1983
1952-3