
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1960
1948-1953
1955
1946-1950
1951
1949
1945-1955
circa 1956-1959
1958
1946
circa 1964
1951-1953
1959
1945
1967
1950-1952
1966
1948-1950
1839 (original); circa 1988 (replica)
1949
1961
1960
1948-1953
1945
1948
1946
1950-1959
1955
1950-1959
1955
1948
1957
1962
circa 1960
1957
1953-1958
1961
1947
1947
1955
1961
circa 1955
1962
1957
1957
1960
1950