Crick and Watson's DNA Molecular Model
1953
1953
1955
1962
1963
1956
1959-1964
1958
1961
1959
1964
1952
1955
1957
1957 (original); 1961 (model)
1960s
1960s
1958
1961
1961
1961
1959-1962
1956
1961
1958
circa 1956
1980-1950
1953
1958-1960
1958-1960
1955-1964
1957
1953-1960
1951
1960
circa 1956
2000-100 BCE
1963
1952
1961
(1962); 1982
1958
1960s
1964
1957
1957
1951
1960
1951-1953
1961
1953