Assertion: fission | /r/HasProperty | discovered by otto hahn
Facets:
value: in december
type: TEMPORAL
value: in 1938
type: TEMPORAL
Source sentences:
text: It is important to note that efforts to understand fission processes are still an ongoing and have been a very difficult problem to solve since fission was first discovered by Otto Hahn and Fritz Strassmann in 1938.
text: Nuclear fission was discovered by Otto Hahn and Fritz Strassmann in December 1938 and explained theoretically in January 1939 by Lise Meitner and her nephew Otto Robert Frisch.