On December 22, 2019, a member of the international editorial board from Georgia of the journal “Chemical Problems” a famous chemist in the field of electrochemistry, professor Ramaz Kvaratskhelia died. The editor-in-chief and members of the editorial board of the journal mourn Professor Kvaratskhelia with their relatives and friends and sincerely condole him. The bright memory of Ramaz Kvaratskhelia will forever remain in our hearts.