To the anniversary of Evgeny Ivanovich Chumasov

On March 19, 2024, Evgeniy Ivanovich Chumasov, a well-known neuromorphologist, Doctor of Biological Sciences, and Professor, celebrated his 85^th birthday. Evgeniy Ivanovich is a highly qualified professional in cell biology, cytology, zoology, and histology. Throughout his life, he studied tissue histogenesis and regeneration in the central and peripheral nervous systems. He is a great specialist in nervous tissue cultivation. His works on the development of embryonic anlages of the central and peripheral nervous systems in vitro and after transplantation are still highly relevant and being cited. He authored multiple books and textbooks, several patents, and inventions. Here, we describe the stages of E.I. Chumasov’s scientific life in the field of normal and pathological neurohistology.