
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1960
1955
circa 1956
circa 1956-1959
1960
1956
1953
1959
1953
1961
1839 (original); circa 1988 (replica)
1960
1955
1955
1957
1962
circa 1960
1957
1961
circa 1955
1960
1955
circa 1955
1962
1958
1956
1960
1952
1962
1959
1959
1954
1952
1961
1962
1960
1960
1957
1962
1954
1952
1954
1962
1957
1961
1960
1961