
Crick and Watson's DNA Molecular Model
1953
1953
1948-1953
1949
1955
1945
1945-1955
1942
1957
1952-3
1951
1953
1955
1953
1949
1830 (original); 1967 (model)
1948-1950
1948-1953
1940
1950-1952
1955
1956
1946
1946-1950
1940-1945
1955
1939-1955
1951-1953
1948
1954
1958
1839 (original); circa 1988 (replica)
1955
circa 1939
1940
1955
1957
1956
1951
circa 1956
1953
1946-1948
1948
1951
1950
1945-1955
1955
1940-1949
1957
1953-1958
1940-1944