During this period he became a of the leading representative of the New Current movement and a member of the editorial staff of the newspaper Dienas Lapa.

After the February Revolution, he returned to Latvia, but was among the 11 passengers who died when a German U-boat sank the steamer "Zara" in the North Sea on April 13, 1917, which was traveling from London to Trondheim.

[3] Jansons-Brauns in 1908 published a critical book “Fauns or Clowns?” (“Fauni vai klauni?”), in which he criticized the ideological foundations of decadent literature and modernist aesthetics, laid the theoretical foundations for a revolutionary revaluation of reality under the dominance of Marxist philosophy and demanded realism in art and literature.

He is the author of the series of articles “Thoughts on Contemporary Literature”, which became the first examples of Marxist literary criticism.

With his articles, including the landmark “Will we have proletarian art?” (1913), acted as an active propagandist of Marxist philosophy and aesthetics.