Robson, Brian2019-04-152019-04-152380-4327http://hdl.handle.net/1885/159637It is proposed that the Generation Model (GM) of particle physics, which describes the elementary particles, the six leptons, the six quarks and the three weak bosons, of the Standard Model (SM) as composite particles in terms of three kinds of rishons and their antiparticles may be mimicking a simpler model, employing only two kinds of rishons and their antiparticles.9 pagesapplication/pdfen-AU© 2019 by author and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY 4.0). http://creativecommons.org/licenses/by/4.0/Generation ModelRishonExcited Rishon State2018-12-2010.4236/jhepgc.2019.510062019-03-12