Biography
After completing an apprenticeship as a bricklayer, and some further education he joined the architecture firm of Ferdinand Fellner, Sr. After his death he founded the architecture studio Fellner & Helmer together with his son Ferdinand Fellner in 1873.See also
* Croatian National Theatre, VaraždinReferences
Architects from Hamburg Baroque Revival architects 1849 births 1919 deaths {{Germany-architect-stub