
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1963
1956
1839 (original); circa 1988 (replica)
1951
1953-1958
1961
circa 1955
1962
1960
1955-1965
1960
1960
1968
1964
1955; 1830
1965
1951
1955
1961-1962
1954-1955
1959
1968
1955
1955
1957
1962
circa 1960
1957
1960
1955-1965
1956
1963
1960
1965
1954
1960
1958
1951
1964
1953
1964
1954
circa 1953
1955-1965
1951
circa 1955
circa 1964