On May 13, 2022, the famous Ukrainian paleontologist, stratigrapher, doctor of geological sciences, associate professor, senior researcher of the department of stratigraphy and paleontology of Mesozoic sediments of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine, member of the Mesozoic commission of the Stratigraphic Committee of Ukraine and the bureau of the National Stratigraphic Committee of Ukraine, Leonid Mykolayovych Yakushin, turned 60