November 8, 2019 the annual Scientific-practical seminar "Korndorf Readings – 2019" was held in Orel State University. This seminar is dedicated to one of the outstanding scientists of our University, Professor, PhD, Dr Sergey F. Korndorf (1918-2012), who created scientific school of electrical methods of nondestructive testing, photoelectric devices and measurement methods, including methods and tools for biomedical research.