
Crick and Watson's DNA Molecular Model
1953
1953
1953
1963
1956
1948-1953
1955
1839 (original); circa 1988 (replica)
1951
1947
1961
circa 1955
1950
1955-1965
1960
1950
1965
1968
1948
1950-1960
1950-1959
1955
1957
1950-1959
1955
1951
1950-1960
1948
1957
1962
circa 1960
1948-1953
1965
circa 1955
1962
1958
1956
1964
1960
1964
1952
1968
1968
1963
1962
1963
1959
1959
1968
1954
1968