
Crick and Watson's DNA Molecular Model
1953
1953
1953
1951
1830 (original); 1967 (model)
2000-100 BCE
circa 1953
1951
1955; 1830
1952
1952
1952
1952
1951
1951-1953
1938 and 1951
May 1953
1951
1953
1951
1951
1953
1951-1953
1953
1951
1953
1951
4000-2001 BCE
1839 (original); circa 1988 (replica)
1953
1951
1951
circa 1953
1990-96
1951
1951
1953
1951
1952
1952
1952
1953
1952
1951
circa 1953
1903 (original); 1982 (model)
1990-95
1951
circa 1952
circa 1951
1953