HOLOEXPO 2021 – One Chapter Ends as Another One Starts

This year’s XVIII International Conference HOLOEXPO 2021 on Holography and Applied Optical Technologies was held on 20–23 September at the Primorye Hotel, Gelendzhik, Russia. The conference was dedicated to the life and achievements of Sergei Borisovich Odinokov — the conference’s founder and chairman for many years who passed away early in September.