Assertion: berkelium | /r/HasProperty | discovered by glenn t. seaborg
Facets:
value: at at the berkeley radiation laboratory
type: LOCATION
value: in december
type: TEMPORAL
Source sentences:
text: Berkelium was discovered by Glenn T. Seaborg, Albert Ghiorso, Stanley G. Thompson and Kenneth Street in December 1949 at at the Berkeley Radiation Laboratory.
text: Berkelium was discovered by Stanley G. Thompson, Albert Ghiorso and Glenn T. Seaborg (USA) in 1949.