
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1969
1955
1960
1948-1953
1955
1946-1950
1951
1949
circa 1956-1959
1969
1958
1946
circa 1964
1951-1953
1959
1967
1950-1952
1966
1948-1950
1839 (original); circa 1988 (replica)
1949
1961
1960
1948-1953
1970-1971
1954-1968
1971
1968
1948
1946
1950-1959
1955
1950-1959
1955
circa 1960-1970
circa 1960-1970
1948
1957
1962
circa 1960
1957
1953-1958
1961
1971
1947
1947
1955