Assertion: atom's neutron | /r/HasProperty | discovered by james chadwick
Facets:
value: in 1932
type: TEMPORAL
value: under his leadership
type: OTHER
Source sentences:
text: Under his leadership the neutron was discovered by James Chadwick in 1932 and in the same year the first experiment to split the nucleus in a fully controlled manner was performed by students working under his direction, John Cockcroft and Ernest Walton.
text: The neutron was discovered by James Chadwick in 1932.
text: By 1932, the year he completed his degree, the horizons of particle physics had widened greatly with the discovery of two new particles: the neutron, discovered by James Chadwick; and the positron, discovered by Carl Anderson.