The photo was taken at The Wollensak Studio, 500 National Ave., Milwaukee. The photographer was William Wollensak born Jun 1857 New York, parents born in Germany. According to Milwaukee city directories he moved to the 500 National Avenue address after the 1891-1892 edition. I found William in the 1900 and 1910 census working as a photographer but in the 1920 census he was listed as retired. These facts are how I determined the 1893 - 1920 time span in first paragraph.