. J. Thompson began practice of law here around the year 1922 and continued
therein until his death in May of 1953. Part of that time he practiced in
partnership with M.W. Duffy. He served as state's attorney of Griggs County
from 1925 through 1932, 1937 and 1938, 1943 until his death in 1953. He was the
son of Mr. and Mrs. Knud Thompson, Cooperstown pioneers.
Source: Cooperstown, North Dakota 1882-1982 page 20