
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1969
1964-1970
1955
1957
1960
circa 1956-1959
1960-1969
1964
1955
1955
1955
1951-1953
(1962); 1982
1960
1967
1830 (original); 1967 (model)
1951
1960-1970
1951
1950
1963
1950
1960
1970-1971
1976
1952-3
1950-1969
1961
circa 1955
circa 1972
1950-1960
1950-1960
1958
1962
1956
1950-1960
1950-1960
1950-1960
1955
1955
1954-1968
1965
1955-1965
2000-100 BCE
1951
circa 1950
1960