2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123763It is hard to understand spin-one-half fields without reading Weinberg. This paper is a pedagogical footnote to his formalism with an emphasis on the boost matrix, spinors, and Majorana fields.Fixed typo in this 19-page pedagogical paper on spinors and Majorana and Dirac fieldsHigh Energy Physics - Theorytext