  It is known that realistic neutrino masses for neutrino oscillations may be
obtained from R parity nonconserving supersymmetry. It is also known that such
interactions would erase any preexisting lepton or baryon asymmetry of the
Universe because of the inevitable intervention of the electroweak sphalerons.
We now show how a crucial subset of these R parity nonconserving terms may in
fact create its own successful leptogenesis.
