
Crick and Watson's DNA Molecular Model
1953
1953
1948-1953
1949
1955
1957
1952-3
1951
1953
1955
1953
1949
1830 (original); 1967 (model)
1948-1950
1948-1953
1950-1952
1955
1956
1955
1951-1953
1948
1954
1839 (original); circa 1988 (replica)
1955
1955
1957
1956
1951
circa 1956
1953
1948
1951
1950
1955
1957
1990-96
1950
circa 1956
1953
1950
1948
1950
1956
2000-100 BCE
1951
circa 1953
1955
1949
1950-1953
1990-95
1955