
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1948-1953
1839 (original); circa 1988 (replica)
1951
1947
1948
circa 1955
1950
1955; 1830
1950
1951
1955
1949
1954-1955
1945
1948
1946
1955
1955
1948
1950
1954
1949
1951
1953
1946
1954
circa 1953
1951
circa 1955
1950-1953
1955
1950-1953
1950-1952
1952
1955
1954
1952
1955
1954
1952
1954
1952
1954
1951
1951
1951-1953
1946-1948