hidden Hard af Segerstad, Karl Adams Nils Gabriel (1873 - 1931), an architect Hard af Segerstad, Karl Adams Nils Gabriel (1873 - 1931), an architect. In 1895 Hard af Segerstad graduated from the Politechnic Institute in Helsingfors (Helsinki). During 1901-1907 he worked at the Vyborg Gubernia Building Board. The Covered... more