John Asher Dunn
John Asher Dunn ( June 19 , 1939 – July 4 , 2017 ) was an American linguist who created the first academic dictionary and grammar of the Tsimshian language , an American Indian language of northwestern British Columbia and southeast Alaska . 
<triplet> John Asher Dunn <subj> June 19, 1939 <obj> date of birth <subj> July 4, 2017 <obj> date of death