Gustaf Gabriel Hällström by Lindh, Johan Erik Lindh, circa 1830
University of helsinki physics professor gustaf gabriel hällström (1775–1844), probably a portrait painted by johan erik lindh. The portrait belongs to the university of helsinki's collections, but it is owned by the university's pohjalainen delegation. Object Type: painting. Date: circa 1830. Dimensions: height: 67 cm (26.3 in); width: 54 cm (21.2 in). Medium: oil on canvas. Collection: Helsinki University.