On June 22, 2022, at the Kazakh National University named after al-Farabi, the thesis for the degree of Doctor of Philosophy (PhD) was successfully defended by a researcher of the Laboratory of Nuclear Safety Problems of INP of the Ministry of Energy of the Republic of Kazakhstan Sayranbaev Darkhan on the topic “Study of neutron-physical characteristics of the core of the WWR-K research reactor with lateral beryllium reflector” in the specialty “6D060500- nuclear physics”. The members of the Dissertation Council unanimously voted for awarding Darkhan Sergazievich the degree of Doctor of Philosophy (PhD). Congratulations!