
Crick and Watson's DNA Molecular Model
1953
1953
1953
1949
1955
1951
1957
1953
1948-1953
1955
circa 1956
1951-1953
1953
circa 1956
1948-1953
1948-1950
1952-3
1948
1955
1955
1948
1957
1957
circa 1955
1957
1956
1952
1954
1952
1957
1954
1952
1954
1957
1956
1957
1956
1957
1952
1957
2000-100 BCE
1951
1955
circa 1955
1950
1950
1955
1951
1953
circa 1950
1955