1904 – 1972 · A portrait
A Swiss physician who vibrated powders and liquids on metal plates and photographed the patterns, coining the term 'cymatics.' He held that vibration shapes natural forms generally, a broader claim science hasn't accepted.
The line above is how his claims were received — by the scientists whose job was to doubt them. It rises as a claim is tested and accepted, and the room brightens with it. It is not a verdict on truth: some accepted ideas are later overturned, and some rejected ones come back. A hollow point is a claim still open.
Jenny published Cymatics, photographing how sand, powders and liquids on a vibrating plate rearrange into shifting geometric patterns as frequency changes: the effect physicist Ernst Chladni had shown in 1787, now driven and recorded with electronic instruments.
In a second volume, published the year he died, he argued vibration was a general 'formative force' behind the shape of living things, dedicating the book to the memory of Rudolf Steiner.
The vibrating-plate patterns remain a standard classroom demonstration. His wider claim, that vibration is a general organizing force behind living form, has no experimental support and is treated by scientists as pseudoscience.