
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1955
1960
circa 1956
circa 1956-1959
1960
1953
1956
1953
1959
1839 (original); circa 1988 (replica)
1961
1960
1955
1955
1957
circa 1960
1957
1953-1958
1961
circa 1955
1960
1960
1960
1955; 1830
1955
1954-1955
1959
1960
1956
1960
1954
1958
1954
circa 1953
circa 1955
1957
1958
1956
1960
1955
1959
1959
1954
1961
1960
1955
1960