Assertion: iodine | /r/HasProperty | discovered by john livingood
Facets:
value: at the university of california
type: LOCATION
value: in 1938
type: TEMPORAL
Source sentences:
text: Iodine-131 (131I, I-131) is an important radioisotope of iodine discovered by Glenn Seaborg and John Livingood in 1938 at the University of California, Berkeley.