PersonalIgor V. Zadorin Zircon Research group, Moscow, Russia zadorin@zircon.ruORCID ID=0000-0002-5597-5441The sociologist must remain free, honest and useful to society. Vestnik instituta sotziologii. 2022. Vol. 13. No. 2. P. 22-32Topic: Memories of a friend and teacherFor citation: Zadorin I. V. The sociologist must remain free, honest and useful to society. Vestnik instituta sotziologii. 2022. Vol. 13. No. 2S. P. 22-32. EDN: EJGCLHТекст статьиСодержание спецвыпуска Vestnik instituta sotziologii. 2022. Vol. 13. No. 2