Gideon Applequest is best known online as "Applequest Photography." Applequest photographed locals in Middletown, Connecticut from the 1880s through the early 1900s. A quick search on Google will turn up several of his cabinet cards.
According to the 1900 census, Appelquest born in Sweden in November 1859. He immigrated to the United States and married another Swede, Emily. They would go on to have two children. Alva was born in 1891; Jerome was born in 1888.
City directory databases on Ancestry.com indicate that Gideon Applequest first arrived in town in 1887. He worked as a photographer until he died, sometime between the 1901 and 1902 directories. His wife Emily continued to run the studio through 1904.
In the 1910 census, Emily and daughter, now listed as Olga, are listed as living off their own income.