- Winfried Otto Schumann Schumann reasonance: http://www.earthbreathing.co.uk/sr.htm
- Viktor Schauberger: http://schauberger.co.uk/
- Nikola Tesla: http://theoatmeal.com/comics/tesla
- Wilheim Reich: http://www.bibliotecapleyades.net/esp_autor_reich.htm
- Charles Steinmetz: https://en.wikipedia.org/wiki/Charles_Proteus_Steinmetz