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