In memory of Ihor Yukhnovskii, the founder and editor-in-chief of the journal ’’Condensed Matter Physics’’ (1925-2024). Condens. Matter Phys. [Internet]. 2024 Jun. 28 [cited 2024 Sep. 17];27(2):20001. Available from: https://cmpj2.icmp.lviv.ua/index.php/cmpj/article/view/46