Hermann Gottlieb Helmer (13 July 1849 – 2 April 1919) was a German architect who mainly worked in Austria.
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, Varaždin
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