The community of Doctors of Science of our Laboratory has been replenished with a new member. Head of the Sector of Diffractometry Gizo D. Bokuchava was awarded a diploma of Doctor of Physics and Mathematics on 5 June, 2025. The topic of Gizo D. Bokuchava's doctoral thesis is "Correlation Fourier diffractometry on a pulsed neutron source as a technique of non-destructive testing of residual stresses in materials and products," specialty 1.3.2. - Instruments and Methods of Experimental Physics. The thesis was defended in the Dissertation Council on Condensed Matter Physics at FLNP. The methodological and experimental results obtained in the thesis on the investigation of residual stresses in structural materials determine a significant contribution to the development of non-destructive diagnostic techniques. The presented methodological developments and physical effects have a wide practical interest. The awarding of diplomas was held in the Great Hall of the JINR Scientists’ Club and was accompanied by congratulations from JINR Scientific Leader Victor Matveev. We wish new creative achievements to the new Doctor of Science!