Bavarian Academy of Fine Arts in Munich. He stayed in Austria till spring 1966. Herbert traveled across Germany, and then stayed longer in France (June 1966 – September 1967). He then went back to Germany, visiting the Netherlands and Belgium. On 29 March 1968, he married Katarzyna Dzieduszycka at a Polish consulate in France. At the end of April, the Herberts returned to Berlin. In the summer of 1968, Herbert visited the US (invited by the Poetry Center). He went to New York, California, The Grand Canyon, New Mexico, New Orleans, Washington, D.C. and Los Angeles. At that time, the translation of his works was published in the U.S., which made Herbert one of the most popular contemporary poets in English literary circles. While traveling across the country, he gave several talks in New York, Berkeley and Los Angeles. After visiting the U.S., Herbert went back to Berlin, where he lived until September 1970 (with some short breaks to Poland and a holiday in Italy). In 1969, he took part in Dei Duo Mundi – The Festival of Two Worlds. From September 1970 to June 1971, the Herberts again stayed in the U.S., where the poet gave lectures as a visiting professor at California State University, Los Angeles. From autumn 1971 to spring 1973, not having his own flat, he lived in Artur Międzyrzecki's flat in Warsaw. In 1972, he became a member of the board of the Polish Literary Association (ZLP). At that time, he got involved in pro-democracy actions initiated by writer circles – he was one of the signatories of 'List 17' ('Letter of 17') which supported civil rights of the members of an openly anti-communist organization, The Movement (Ruch). He was also an organizer of protests against censorship. In 1972 he joined the Pen Club. In 1973, he received the Herder's Prize in Vienna. The summer of that year he spent together with Magdalena and Zbigniew Czajkowscy in Greece. He came back to Poland in autumn 1973. He spent the academic year of 1973–74 giving lectures at the University of Gdansk. In 1974, he wrote the 'Letter of 15' ('List 15') which was about the laws of the Polish Community in the Soviet Union. In December 1975, he signed 'Letter of 59' ('Memoriał 59') against the changes in the Constitution of the People's Republic of Poland forced by the communist party introducing mostly declarations of eternal