Pierre Henri Marie Schaeffer (
English pronunciation: , ; 14 August 1910 – 19 August 1995) was a French composer, writer, broadcaster, engineer,
musicologist and
acoustician. His innovative work in both the sciences—particularly
communications and
acoustics—and the various arts of music, literature and radio presentation after the end of World War II, as well as his
anti-nuclear activism and
cultural criticism garnered him widespread recognition in his lifetime.