
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1956
1839 (original); circa 1988 (replica)
1953-1958
circa 1955
1955; 1830
1955
1954-1955
1955
1955
1957
1957
1956
1954
1958
1953
1954
circa 1953
circa 1955
1957
1955
1958
1956
1952
1955
1954
1952
1955
1957
1954
1952
1954
1957
1956
1957
1956
1957
1952
1954
1957
1956
1953
1958
1956
May 1953
2000-100 BCE
1953
1955