
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1969
1960
circa 1956-1959
1955
1963
1974
1965
1975
1956
circa 1972
1960-1970
1964
1959
1955
1969
1957
1839 (original); circa 1988 (replica)
1960
1970-1971
1960-1970
1830 (original); 1967 (model)
1903 (original); 1982 (model)
1960
1990-96
circa 1956
1954-1968
1964
1974
1971
1975
1969
1961
circa 1955
1968-1971
1960
1955-1965
1960
1960
1968
1964
1955; 1830
1965
1955
1959
1970-1971
1970
1960-1969