Haldan Keffer Hartline
Haldan Keffer Hartline ( December 22 , 1903 – March 17 , 1983 ) was an American physiologist who was a co-recipient ( with George Wald and Ragnar Granit ) of the 1967 Nobel Prize in Physiology or Medicine for his work in analyzing the neurophysiological mechanisms of vision . 
<triplet> Haldan Keffer Hartline <subj> December 22, 1903 <obj> date of birth <subj> March 17, 1983 <obj> date of death <subj> Nobel Prize in Physiology or Medicine <obj> award received <triplet> George Wald <subj> Nobel Prize in Physiology or Medicine <obj> award received <triplet> Ragnar Granit <subj> Nobel Prize in Physiology or Medicine <obj> award received