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