Michael Zarichnyi (1958) is a professor of mathematics at the Lviv University (Ukraine). His interests include not only geometry and topology of infinite-dimensional manifolds but also poetry, music and visual/concrete poetry. He is the author of one book of poetry, about 60 songs, and about 50 visual works. Personal exhibition of the visual/concrete poetry (Lviv University Gallery, 2011). The works are often minimalistic, inspired by beauty of mathematical constructions. -- Source of annotation: Marvin or Ruth Sackner.