Einstein for Everyone JOHN D. NORTON Nullarbor Press 2007 revisions 2008, 2010, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2020, 2021, 2023, 2024 Copyright © 2007, 2008, 2010, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2020, 2021, 2023, 2024 John D. Norton Published by Nullarbor Press, 4200 Fifth Avenue, Pittsburgh, Pennsylvania 15260 with offices in Liberty Ave., Pittsburgh, Pennsylvania, 15222 A