"Version: 20190801"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. The phenomenology of GRBs -- 1.2. The phenomenological Willingale model -- 1.3. The past and current missions observing GRBs -- 1.4. The historical background of SNe2. GRB models -- 2.1. The compactness problem -- 2.2. The fireball model -- 2.3. The jet opening angle -- 2.4. The central engine modeā¦