# #Mon Aug 09 11:51:49 CEST 2010 Slide__t3lCgKObEd-WfYQ0GneCwQ_footer=Max Planck Institute for the History of Science, Berlin Slide__t3lCgKObEd-WfYQ0GneCwQ_subTitle=Philipp Lenard\: \u00DCber Aether und Ur\u00E4ther, Deutsche Zeitung, 15. September 1922 Slide__t3lCgKObEd-WfYQ0GneCwQ_title=