In the early 20th century Swiss mathematician and engineer, Hans Frueh designed and produced biocards on which one could plot one's own Biorhythms. He also invented the first mechanical device for calculating these cycles. With it one could see the status of one's biorhythms for any particular day.
Holistic Glossary of Terms
Back to Holistic Glossary
© 2010-2017 Complementary-Therapists.com Ireland. All rights reserved