After a photography course in Kempten and various intermediate stations including Zurich , Munich , Berlin , Mannheim in 1911, he opened a portrait studio with Eugen Bayer  in Köln-Nippes. He focused on architectural photography , especially for-profit corporation for housing in Cologne .

In 1903 he married Juliane Rödle and had two daughters and a son Karl Hugo Schmölz. Hugo Schmölz was known that he was able to create extremely difficult to realize architectural photography.

“[…] The inside of a power plant on Lake Constance was incorporated, namely the turbine hall including machines in front of a glass wall – a backlight situation that is feared to this day by architectural photographer. Hugo Schmölz solved the problem in that it completely covered the glass front with black paper, several hours exposed to the rest of daylight in the room, and finally removed the paper for a very short exposure time. The recording … on the negative format 30 x 40 cm – must have had some success, […] “
– Karl Hugo Schmölz and Rolf Sachsse in “Hugo Schmölz – Photographed Architecture 1924-1937”

Clients have included the following architects: Dominic Böhm , Hans Heinz Lüttgen , Joseph Op conditions Oorth , Edmund Bolton , Martin Kiessling , Jacob Koerfer , the architect community Karl wax & Henry Ross cotta , Dicker Hoff, (market hall Bonntor), Fritz August Breuhaus de Groot and Wilhelm Riphahn . He was commissioned by the GAG Immobilien many of their newly built settlements in the Cologne area. Furthermore promotional recordings, among which the following companies: Worringer, Bauer and Schaurte , Gerling , Soennecken , Stüssgen , Norton, glass works.

 

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