Friedrich Kraus

He studied medicine at the German University in Prague, where he subsequently worked as an assistant at Otto Kahler's medical clinic.

In 1894 he relocated to the University of Graz as a full professor, and in 1902 replaced Carl Gerhardt (1833–1902) as director of the second medical clinic at the Charité Hospital in Berlin.

He postulated that a type of bio-electrical system is present within the body that acted like a relay mechanism storing electrical charge (energy) and recharge (action).

[1] He explained this proposition in the book "Allgemeine und spezielle Pathologie der Person" (General and special pathology of the individual).

Kraus' theory on bio-electrics is considered to be a forerunner to psychologist Wilhelm Reich's work with biophysics and body psychotherapy (vegetotherapy).