
Molecular model of penicillin by Dorothy M Crowfoot Hodgkin, England, 1945
1945
1945
1945
1944
1955; 1830
2000-100 BCE
1945
1938 and 1951
1944-1945
1903 (original); 1982 (model)
1990-96
circa 1945
1830 (original); 1967 (model)
1952-3
1839 (original); circa 1988 (replica)
1801-1892 (prepared); 1946 (element replaced)
1944
4000-2001 BCE
1944
1944-12-01
1944-07-26
1945
1963-01
1944-10-10
1945-03-23
1944
1944-09-23
1944
1945-04-23
1945-05-15
1944
1947-04
1946-01
1945-03-28
1945-03-04
1955-10
1945-10-23
1945-03-23
1944-05-06
1944-09-25
1945-06-14
1947-05
1960-01
1945-03-21
1945-10-23
1945-05-15
1945-06-14
1966-07
1945-10-04
1944
1944-09-24