
Crick and Watson's DNA Molecular Model
1953
1953
1953
1949
1948-1953
1950-1952
1945-1955
1952-3
1945
circa 1956
1951
1830 (original); 1967 (model)
1957
1955
circa 1956-1959
1946-1950
1948-1950
1945
1953
1955
1955
1954
1958
1953
1956
1946
1950-1953
1956
1959
1951-1953
circa 1956
1947
1943
1948
1947
1949
1950
1951
1944
1946; 1946
1948-1953
1956
1945
1953-1958
1947
1947
1955
1948
1955
circa 1955
1946