Photograph of Charles Robert Richet, who described anaphylaxis and indicated its functional aspects. He was given the Nobel Prize in Physiology in 1910.
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.
Portrait of Ernest Henry Starling, whose findings were milestones in the advance of cardiology and the treatment of heart diseases. "Triangle Volume 7 Number 5 1966" at head of sheet.