Jürgen Habermas is a German philosopher and social theorist in the tradition of critical theory and pragmatism. His work addresses communicative rationality and the public sphere.
Jurgis Baltrušaitis was a Lithuanian symbolist poet and translator, who wrote his works in Lithuanian and Russian. In addition to his important contributions to Lithuanian literature, he was noted as a political activist and diplomat. Himself one of the foremost exponents of iconology, he was the father of art historian and critic Jurgis Baltrušaitis Jr.
Jurgis Bielinis (1846–1918) was one of the main organizers of the illegal book-smuggling at the time of the Lithuanian press ban (1864–1904). Bielinis is informally referred to as the King of Book Smugglers. Since 1989, Bielinis's birthday is commemorated as the Day of Book Smugglers.
Juri Lotman was a prominent Russian-Estonian literary scholar, semiotician, and historian of Russian culture, who worked at the University of Tartu. He was elected a member of the British Academy (1977), Norwegian Academy of Science and Letters (1987), Royal Swedish Academy of Sciences (1989) and Estonian Academy of Sciences (1990). He was a founder of the Tartu–Moscow Semiotic School. The number of his printed works exceeds 800 titles. His archive which includes his correspondence with a number of Russian and Western intellectuals, is immense.
Jüri Parijõgi was an Estonian children's writer and teacher. He is regarded as the first Estonian writer who wrote almost only for children and young people.
Jurij Brězan was a German writer. His works, especially the novels, narrative works and children's books, were available in the two languages German and Upper Sorbian.