
Crick and Watson's DNA Molecular Model
1953
1953
1969-1970
1969
1953
1934
1935
1963
1960
1948-1953
(1962); 1982
1959
1969
1935-1965
1949
1949
1830 (original); 1967 (model)
1948-1950
circa 1956-1959
1948-1970
1970
1971
1968
1948
1946
1950-1959
1955
1950-1959
1955
1943
circa 1960-1970
circa 1960-1970
1948
1957
1962
circa 1960
1957
1971
1947
1975
1969
1935
1950-1969
1961
circa 1955
1935
1934
1950
1955-1965
1960
1950