10027/17831 Lon Stephen. Becker Lon Stephen. Becker On testing for the stage of collapse in quantum mechanics. University of Illinois at Chicago 2014 Philosophy. 2014-03-20 00:00:00 Thesis https://indigo.uic.edu/articles/thesis/On_testing_for_the_stage_of_collapse_in_quantum_mechanics_/10919474 On testing for the stage of collapse in quantum mechanics.