Henry Charles Marx

{{short description|American inventor}}

Henry Charles Marx (1875–1947) was the American inventor of numerous musical instruments, most notably the marxophone and the marxolin.{{cite book|author=Mark Brend|title=Strange Sounds: Offbeat Instruments and Sonic Experiments in Pop|url=https://books.google.com/books?id=m6KRDxYOp4UC&pg=PT143|year=2005|publisher=Backbeat|isbn=978-0-87930-855-1|pages=143–}}