
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1955-1965
1969
1949
1969
1955
circa 1956-1959
1960
1953
1942
1948-1953
1959
1957
1945
1965
1951
1960
1943
1955
1941-1963
1958
1951-1953
(1962); 1982
1953
1945
1946-1950
circa 1956
1839 (original); circa 1988 (replica)
1949
1961
1958
1978
1940
1960-1970
1978
1945-1955
1971
1956
1968
1830 (original); 1967 (model)
1948-1950
1954-1968
1974
1966-1968
1960
1948-1953
1970-1975
1952-3