Biography...Gustav Adolph Johnson (1864-1950) was born in Grubbetorp, Brålanda parish in the province of Dalsland, north of Vänersborg town in western Sweden. He immigrated to the USA in 1886, and settled in Winburne, Clearfield County, Pennsylvania, where he worked as a miner until 1888, when he started a printing office. ..3,500 photographs which he used as stereographs. http://www.k-blogg.se/2016/06/02/sweden-stereo-flickr-commons/