Assertion: positron | /r/HasProperty | discovered by patrick blackett
Facets:
value: contemporaneously
type: MANNER
value: at the cavendish laboratory
type: LOCATION
value: in 1932
type: TEMPORAL
Source sentences:
text: The positron had also been contemporaneously discovered by Patrick Blackett and Giuseppe Occhialini at the Cavendish Laboratory in 1932.