Guillermo Deisler was a Chilean artist whose diverse talents spanned stage design, woodcut printing, visual poetry, and the early global mail art movement. Born in Santiago,he taught at a university in Antofagasta until political turmoil upended his life. The 1973 military coup in Chile led to his arrest and forced exile. After a short stay in France, Deisler eventually settled in East Germany, though he spent more than ten years living in Bulgaria. It was during this period—and later, after returning to the city of Halle in 1986—that he fully immersed himself in experimental art. He created artist books and crafted intricate mail art using rubber stamps and poetic imagery, blending word and picture into powerful visual expressions. In 1987, Deisler launched UNI/vers(;), also known as the Peacedream project—an ambitious international mail art publication. Over the course of 35 issues, he brought together visual and experimental poets from around the world. This initiative, along with his 1990 anthology wortBILD, helped build a resilient artistic community that connected creators across borders, particularly in Eastern Europe. Throughout his life, Guillermo Deisler transformed mail into a medium for artistic resistance, intercultural dialogue, and innovation. His work not only challenged political boundaries but also redefined how art could travel, communicate, and unite.