- his architectural projects in the Northern Art Nouveau style, such as:
- the Cathedral Mosque in St Petersburg and
- the German theatre in Tallinn.
He left Russia after the Revolution
- and settled in the United States in 1923,
- where he continued his architectural career.
His Constructivist architectural studies & comparable collages
- inspired by the Jazz Age
- can be found in several important collections,
- including The Wolfsonian Collection in Florida, United States.