Hans Hansen was a German architect and theorist and one of the correspondents of Bruno Taut

Bruno Taut

Bruno Julius Florian Taut , was a prolific German architect, urban planner and author active during the Weimar period....

's utopian expressionist

Expressionist architecture

Expressionist architecture was an architectural movement that developed in Europe during the first decades of the 20th century in parallel with the expressionist visual and performing arts....

 chain letter, the Glass Chain

Glass Chain

The Glass Chain or Crystal Chain sometimes known as the "Utopian Correspondence" was a chain letter that took place between November 1919 and December 1920. It was a correspondence of architects that formed a basis of expressionist architecture in Germany. It was initiated by Bruno Taut.-Names,...

. Hansen contributed under the pseudonym Antischmitz.

In 1920 he attracted the attention and praise of Bruno Taut

Bruno Taut

Bruno Julius Florian Taut , was a prolific German architect, urban planner and author active during the Weimar period....

 after the publication of his book "The Experience of Architecture" (Das Erlebnis der Architektur). Hansen later went on to become one of Germany's leading church architects.

Published work

• "The Experience of Architecture" (Das Erlebnis der Architektur) 1920
• "The Building Yard" (Der Bauhof), essay published in "Call to Building", published as part of the "New Objectivity
  New Objectivity (architecture)
  The New Objectivity is a name often given to the Modern architecture that emerged in Europe, primarily German-speaking Europe, in the 1920s and 30s. It is also frequently called Neues Bauen...
  
  or New Building (lit.)" (Neues Bauen) exhibition in May 1920.