
Crick and Watson's DNA Molecular Model
1953
1953
1969-1970
1953
1969
1963
1969
1960
1948-1953
(1962); 1982
1959
1949
1949
1830 (original); 1967 (model)
circa 1956-1959
1948-1950
1960
1948-1970
1970
1968
1948
1950-1959
1955
1950-1959
1955
circa 1960-1970
circa 1960-1970
1948
1957
1962
circa 1960
1957
1953-1958
1947
1948
1969
1950-1969
1961
circa 1955
1962
1950
1960
1955-1965
1960
1960
1968
1964
1955; 1830
1950
1965
1951