
Crick and Watson's DNA Molecular Model
1953
1953
1948-1953
1949
1945
1952-3
1951
1953
1953
1949
1830 (original); 1967 (model)
1948-1950
1948-1953
1950-1952
1946
1946-1950
1951-1953
1948
1954
1839 (original); circa 1988 (replica)
1951
1953
1946-1948
1948
1951
1950
1990-96
1950
1953
1950
1948
1950
1945
2000-100 BCE
1951
1946-1950
1947
circa 1953
1949
1945
1950-1953
1990-95
1949
1951-1953
1946
1946
1953
circa 1950
1938 and 1951
1947
1950