Austria, Empire. An Order Of The Iron Crown, Ii Class, C.1917 Newly Listed Footnote: The Polytechnic University of

Footnote: The Polytechnic University of the Spanish Army was instituted after the end of the Civil War on September 27

He also wrote on conformal mappings

earning him the World War I Victory Medal with Defensive Sector

Margaret Ann Hood of 11

Between late February and early June of 1917 Pischner took part in the fighting at the Somme river and at the Siegfried-Front (Hindenburg Line)

Austria, Empire. An Order Of The Iron Crown, Ii Class, C.1917 Newly Listed Footnote: The Polytechnic University ofBadge Second Class with War Decoration, in bronze gilt and enamels, 35. 35mm x 65. 0mm, typical late War period badge, circa 1917, unmarked, with original neck ribbon, worn example in very fine condition.