2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56049Before turning to the new result that D=11 supergravity is 2-loop nonrenormalizable, we give a very brief history of the ultraviolet problems of ordinary quantum gravity and of supergravities in general D.Invited Lecture at Fundamental Interactions: From Symmetries to Black Holes, Brussels, March 1999High Energy Physics - TheoryGeneral Relativity and Quantum CosmologyNonrenormalizability of (Last Hope) D=11 Supergravity, with a Terse Survey of Divergences in Quantum Gravitiestext