
Crick and Watson's DNA Molecular Model
1953
1953
1953
1951
1955
1950-1952
1963
1955
1960
1951-1953
circa 1956-1959
circa 1956
1960
1949
1950
1953
1956
1953
1959
1967
1967
1839 (original); circa 1988 (replica)
1965
1949
1961
1963
1960
1950-1959
1955
1950-1959
1955
1957
1962
circa 1960
1957
1963-08-11
1953-1958
1961
circa 1955
1962
1950
1960
1955-1965
1960
1960
1950
1964
1965
1955
1955; 1830
1950