2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218422We discuss how to construct the full Schwarzschild (Kruskal-Szekeres) spacetime in one swoop by using the bundle of orthonormal Lorentz frames and the Einstein equation without the use of coordinates. We never have to write down the Kruskal-Szekeres or an equivalent form of the metric.36 pages, 4 figures; some typos corrected, a few paragraphs added for clarificationGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext