Assertion: berkelium | /r/HasProperty | produced at the university of california
Facets:
value: in a particle accelerator
type: LOCATION
value: in 1949
type: TEMPORAL
value: in december
type: TEMPORAL
value: by albert ghiorso
type: OTHER
value: by glenn t. seaborg
type: OTHER
value: by stanley g. thompson
type: OTHER
value: by kenneth street jr.
type: OTHER
Source sentences:
text: Berkelium was first produced at the University of California, Berkeley, in 1949 by Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street Jr. and Albert Ghiorso.
text: Discovered: Berkelium was first produced at the University of California, Berkeley in December 1949 in a particle accelerator.