GULLSTRAND, ALLVAR (1862-193o), Swedish physi cian, was born on June 5, 1862, at Landskrona. In 1894 he be came professor of diseases of the eye at Uppsala, and in 1913 was appointed professor of physiological and physical optics at the same university. His investigations concerned the general laws of dioptrics, a new conception of the theory of optical images; the extrication of the optical images in the eye, and the eye's relation to the diffusion of light. In 1911 he was awarded the Nobel prize for medicine. Among Gullstrand's works are Allge meine Theorie der monochromatischen Aberrationen (1900), Die optische Abbildung in heterogenen Medien and die Dioptrik der Kristallinse des Menschen (1908) and Ein f iihrung in die Methoden der Dioptrik des Auges des Menschen (iiI) . He received the honorary degree of Sc.D. at Dublin in 1912.