Breadcrumbs Learning and Research Archive Oskar Hansen Helsinki, Finland, 1922 - Warsaw, Poland Print file Share Related Related Archive documents Archive document Oskar Hansen. Forma oberta [Reportatge fotogràfic exposició] 10/07/2014-06/01/2015 Archive document Oskar Hansen. Forma oberta [Enregistrament audiovisual exposició] 10/07/2014-06/01/2015 See all documents in the Archive →