
Crick and Watson's DNA Molecular Model
1953
1953
1953
1960
circa 1956-1959
1955
1956
1959
1955
1957
1839 (original); circa 1988 (replica)
1960
1830 (original); 1967 (model)
1903 (original); 1982 (model)
1960
1990-96
circa 1956
circa 1955
1960
1960
1960
1955; 1830
1955
1959
1956
1960
1954
1958
1953
1954
circa 1955
1957
1955
1958
1956
1960
1955
1959
1959
1954
1960
1955
1960
1957
1954
1954
1957
1960
1959
1956
1957