
Crick and Watson's DNA Molecular Model
1953
1953
1953
1969-1970
1998-2002
1969
1997
1992-1994
1988
1997-2001
1964-1970
2005
1976-1979
1955
1957
1960
1990-1998
1999
circa 1956-1959
1999
1984-1986
1989
1960-1969
1974
1994
1964
1976
1973-1983
1999-2003
1999
1955
1979
1999
1990-1998
1955
1955
1951-1953
(1962); 1982
2002-2005
1982
1970-1981
1960
1967
1830 (original); 1967 (model)
1951
1978
1960-1970
1998
1988-2000
1951
1995