
Crick and Watson's DNA Molecular Model
1953
1953
1948-1953
circa 1956-1959
1949
1960
1955
1945
1945-1955
1942
1957
1959
1950-1960
1952-3
1951
1953
1955
1953
1949
1830 (original); 1967 (model)
1948-1950
1948-1953
1940
1950-1952
1937-1960
1955
1936
1960
1956
1946
1960
1937-1960
1946-1950
1940-1945
1955
1939-1955
1951-1953
1937
1960
1948
1954
1958
1936
1839 (original); circa 1988 (replica)
1937
1960
1955
circa 1939
1940
1955
1957