Estonian architect who designed buildings within the art nouveau style whose many prolific period was from 1907 until 1919. He rebuilt the home from the Blackheads, the homes on Pikk 18, Harju 9, and Roosikrantsi 15, as well as the Laupa Manor Home. He studied structures and chemistry at Riga Polytechnic Institute, graduating in 1904, and he was called Tartu’s city architect. He relocated to Tallinn in 1907. His house building at Pikk 23/25 continues to be one of is own most well-known architectural functions. He was created into an upper-class category of Baltic German and Jewish ancestry. He wedded Adrienne Kerkovius in 1897. The few had five kids jointly. He was a modern of fellow Estonian architect Olev Siinmaa.