
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
1950
1960
1960
1960
1964
1955; 1830
1950
1951
1955
1961-1962
1949
1954-1955
1950-1960
1959
1950-1959
1955
1950-1959
1955
1957
1962
circa 1960
1957
1960
1950
1956
1950-1960
1963
1960
1954
1960
1949
1958
1951
1964
1953
1964
1954
circa 1953
1951