Ragnar Arthur Granit ForMemRS (October 30, 1900 – March 12, 1991) was a Finland Swedish scientist who was awarded the Nobel Prize in Physiology or Medicine in 1967 along with Haldan Keffer Hartline and George Wald "for their discoveries concerning the primary physiological and chemical visual processes in the eye".Granit graduated in 1927 from the Faculty of Medicine of the University of Helsinki, Finland.