caption death_date birth_place image_size nationality field birth_date known_for image article_title name
konstantin tretiakoff 1958 fergana , uzbekistan 150px russian neuropathology december 26 , 1892 parkinson 's disease konstantin tretiakoff -lrb- ca. 1940 -rrb- . jpg konstantin tretiakoff
 konstantin tretiakoff
konstantin tretiakoff

konstantin nikolaevitch tretiakoff -lrb- december 26 , 1892 -- 1958 -rrb- was a russian neuropathologist .
he was born in fergana , uzbekistan , as a son of military physician , who was member of pierre bonvalot 's first pamir expedition .
he studied medicine in l'assistance publique des hopitaux de paris .
he received his doctorate in 1919 .
in his thesis he described degeneration of the `` substantia nigra '' associated with paralysis agitans -lrb- parkinson disease -rrb- .
tretiakof was first to link this anatomic structure with parkinsonism .
between 1922 and 1926 tretiakoff worked at the hospício de juquery , near the city of são paulo , brazil .
in 1931 he was appointed chairman at the new department of neuropathology at the medical institute in saratov , ussr , where he spent the rest of his life .
