Photograph of Hermann Ludwig Ferdinand von Helmholz from page 84 of Sharpey's Album. Helmholz was a sensory physiology. Photographed by Hugo Quaas.
Part of an album of eminent scientists, surgeons, etc. with a collection of autographed letters and...
Portrait of Hermann Ludwig Ferdinand von Helmholtz, who studied physiological phenomena, paving the way for acceptance of the basic principle of energy conservation in physiology.