
Crick and Watson's DNA Molecular Model
1953
1953
1953
1952-3
1960
1960
circa 1956
1830 (original); 1967 (model)
1955
1957
circa 1956-1959
1955
1954
1953
1956
1956
1959
1955
1961-1962
(1962); 1982
1953
1958
1960
1961
circa 1956
1956
1955
1961
circa 1955
1962
1960
1953
1960
1955
1955
1959
1960
1955
1955
1957
1962
circa 1960
1957
1960
1958
1954
1955
1957
circa 1953
circa 1955
1957