After the First World War started in 1915 Laube together with Riga Polytechnic Institute was evacuated to Moscow.
In 1938 he participated in establishment of first Latvian professional architectural magazine Latvijas Architektūra.
After the Occupation of Latvia by Nazi Germany Laube resumed his work in the university in the autumn 1941.
In 1944, he fled to Germany where he worked as a professor of architecture at the Baltic University, Pinneberg, near Hamburg.
Before World War I Laube was one of the pioneers of Riga Art Nouveau movement, notably the lavishly decorated apartment building at 23 Tallinas Street 1901 together with Pēkšēns.
He mainly used natural materials, different-colored bricks, local varieties of stone, metal, wood.