
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1969
1988
1976-1979
1976
1955
1960
1951
1960
1984-1986
1953
1955
1957
circa 1956
circa 1956-1959
circa 1980
1975
1964
1985
1985
1970-1979
1976-1982
1963
1973
1979
1969
1960
1960
1951-1953
1953
1959
circa 1956
1960
1978
1970-1981
1968
1961
1978
1974
1974
1962
1954-1968
1981-1983
1952-3
1960
1970-1971
1971
1968