Professor Vladimir Onisimovich Kler — the founder of the histology department of the Ural State Medical University

This article is dedicated to Professor Vladimir Onisimovich Kler, a prominent physician-histologist, regional geographer, biologist, geologist, and paleontologist—a remarkably versatile scholar. A well-known figure in Yekaterinburg (called Sverdlovsk from 1924 to 1991), he also made a notable contribution to the scientific and academic life of Kazan, where he worked from 1915 to 1921 as an assistant at the departments of zoology and histology at Kazan University. His first known publications, focused on determining the age of fish from bone structures, appeared during this period. It was in Kazan that he developed a strong interest in medical histology and chose to devote his life to it. In 1931, Professor Kler established the Department of histology, cytology, and embryology at the newly founded Sverdlovsk Medical Institute (now Ural State Medical University) and headed it for 20 years. A series of outstanding works in medical histology earned him recognition as one of the leading Russian morphologists. This article was written as a tribute to Professor Kler, not only as a prominent scientist, educator, and organizer of science, but also as an exceptionally remarkable individual, and to honor his contribution to the development of Russian medicine.