
Crick and Watson's DNA Molecular Model
1953
1953
1953
1951
1948-1953
1955
1950-1952
1955
1951-1953
1949
1948-1950
1950
1953
1953
1948
1949
1839 (original); circa 1988 (replica)
1948-1953
1948
1955
1955
1948
circa 1955
1950
1950
1951
1955
circa 1955
1952
1954
1952
1954
1952
1954
1952
1951
1955
1951
1953
circa 1950
1950
1954
1949
1951
1954
circa 1953
1955
1955
1954
1951
1951