Recollections of my work on mSUGRA with Pran Nath and Richard Arnowitt -- Gravitational forces on the branes -- Consistent massive colored gravitons -- Towards precision neutrino physics -- Quadratic divergences in effective supergravity from the heterotic superstring -- Gravitational mediation of SUSY breaking in superstring theory -- The muon anomalous magnetic moment and ¿¿new physics¿ -- The muon anomalous magnetic moment and ¿¿new physics¿ -- Collider searches for SUSY in light of WMAP data and other constraints -- Collider, direct and indirect detection of supersymmetric dark matter -- Prospects for the detection of SUSY dark matter -- Testing SUGRA unified models -- SUSY QCD radiative corrections -- Effective Lagrangian for charged -- Higgs couplings -- Analysis of SO(2n) couplings of spinor and tensor representations in SU(N) x U(1) invariant forms -- String theory and unification -- First evidence for lepton number violation -- Phenomenology using lattice QCD -- Interrelating fernion masses, CP violation and baryogenesis via grand unification -- Walls and vortices in supersymmetric non-abelian gauge theories -- Generalized dimensional reduction of supergravity with eight supercharges -- Supersymmetry, naturalness and the landscape -- Five golden rules for superstring phenomenology -- Galactic and extra-galactic sources of high energy neutrinos -- Constraints and Casimirs for super-Poincare' and supertranslation algebras in various dimensions.