George Gamow Quote
One of the students asked whether the "Chadwick neutron" was the same "neutron" proposed by Pauli for the phenomena of beta transformation. "No," answered Fermi, "il neutrone di Pauli e mol to piupiccolo, cio e un neutrino." The name stuck.
The Reality of Neutrinos, Physics Today, Volume 1, Number 3, July 1948 (p. 5)