
Crick and Watson's DNA Molecular Model
1953
1953
1948-1953
circa 1956-1959
1949
1960
1955
1957
1959
1950-1960
1952-3
1951
1953
1955
1953
1949
1830 (original); 1967 (model)
1948-1950
1948-1953
1950-1952
1955
1960
1956
1960
1961
1955
1951-1953
1960
1948
1954
1958
(1962); 1982
1839 (original); circa 1988 (replica)
1962
1960
1955
1955
1957
1956
1960
1951
1960
circa 1956
1953
1948
1962
1951
1961-1962
1950
1955
1957