Fellner & Helmer

Fellner & Helmer was an architecture studio established in Vienna in 1873 by architects Ferdinand Fellner and Hermann Helmer.

They designed more than 200 buildings, including opera houses and apartment buildings, across Europe in the late 19th and early 20th centuries. Their work helped hold together the Austro-Hungarian Empire and put Vienna as its cultural hub.

Although the majority of the work was done in the former Austro-Hungarian Empire, some pieces can be located in regions ranging from Switzerland to present-day Ukraine. Gustav Klimt ,Hans Makart, Theodor Friedl, and other notable artists were frequent collaborators in creating integrated exterior and interior artwork.

Their construction techniques were primarily based on historical architecture, but they still made some innovative changes. They departed from the Italian Renaissance Revival style, revived interest in the Baroque Revival, and utilized techniques from the Secession movement in their final works.

In Croatia, they built: the Croatian National Theatre in Varaždin (1873), the Croatian National Theatre (1883-1885) and Palace Modello (1885) in Rijeka, and in Zagreb the Croatian National Theatre (1894-1895) and Art Pavilion (1898).

Source: Wikipedia