50 Years of Neutrino Physics. - The Early Days of Neutrino Physics. - Fifty Years of Neutrino Physics: Early Experiments. - Fifty Years of Neutrino Physics: A Few Episodes. - Neutrino Astrophysics. - Low-Energy Neutrinos in Astrophysics. - Weak Charged Currents. - New Particles. - Weak Charged Currents: Hadron Final States. - Charged Current Inclusive Interactions. - Weak Neutral Currents. - Weak Neutral Current-Semileptonic Interactions. - Review on Purely Leptonic Interactions of Weak Neutral Currents. - Low and Intermediate Energy Interactions. - Parity Violation in Nuclei. - Low Energy Neutrino Interactions. - Conservation Laws. - Lepton Conservation. - Grand Unification of Quarks and Leptons from One of Preons. - Baryon Conservation (Experiments). - Comments on The Electron Neutrino Mass from % MathType MTEF 2 1 +-% feaagaart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x% fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaWbaaSqabe% aaqaaaaaaaaaWdbiaabodaaaGccaqGibGaaeyla8aadaahaaWcbeqa% a8qacaqGZaaaaOGaaeisaiaabwgacqaHYoGycqGHsislcaWGebGaam% yzaiaadogacaWGHbGaamyEa8aadaahaaWcbeqaa8qacaqGOaGaae4k% aiaabMcaaaGccaaIXaGaaGinaiaaykW7caqGLbGaaeOvaiabgsMiJk% aab2gacqGHKjYOcaaI0aGaaGOnaiaaykW7caqGLbGaaeOvaiaacIca% caaI5aGaaGyoaiaacwcacaaMc8Uaae4qaiaab6cacaqGmbGaaeOlai% aabMcacaGGNaGaai4jaaaa 5BE4 $$^{\text{3}} {\text{H - }}^{\text{3}} {\text{He}}\beta - Decay^{{\text{( + )}}} 14\{\text{eV}} \leq {\text{m}} \leq 46\{\text{eV}}(99\% \{\text{C}}{\text{. L}}{\text{. )}}''$$. - Weak Interactions in Electron and Hadron Experiments. - Electro-Weak Physics in e+ e? Interactions. - Beam-Dump Experiments. - Present andFuture. - Future Accelerators. - New Neutrino Detection Technology: Application of Massive Water Detectors to Accelerator Neutrino Physics. - Concluding Remarks. Language: English