
Crick and Watson's DNA Molecular Model
1953
1953
1949
1934
1969
1950-1952
1998
1936
1920-1930
1970
1951
1995-2000
2021
1940-1945
1890-1900
1987
1945
1921
1995-1996
1960
1930s
2001-2006
circa 1980
1993
1976
2016
1942-1945
1910-1920
1999-2003
1920-1925
2020
1935
1925
1910-1911
1900-1920
1938
1955-1960
1986
2013-2016
1915-1925
circa 1963
1960
1950
1939-1940
1963
1960
1967
1971-72
1952