
Crick and Watson's DNA Molecular Model
1953
1953
1953
1948-1953
1955
1955
1951
1949
1950-1952
1951-1953
1948-1950
1839 (original); circa 1988 (replica)
1949
1948-1953
1948
1955
1955
1948
1957
1957
1955
circa 1955
1957
1957
1950
1953
1950
1951
1957
1957
1955
1951
circa 1950
1950
1951
1955
1954-1955
1950-1951
1957
1948
1955
1951
May 1953
circa 1950
1948
1948
1950-1953
1955
1954
1949
1951