With this special issue of the Journal of Solid State Electrochemistry, the electrochemical community congratulates George (György) Inzelt, Eötvös Loránd University Budapest, Hungary, on the occasion of his 75th birthday on November 2nd, 2021! His achievements have been dignified in this journal on the occasion of his 65th and 70th birthday. It is certainly a rare case to see a scientist honoured for the 3rd time by papers from leading laboratories of the world. Because of the previous editorials [1, 2], we will not repeat here what has been written, but let the dedicated papers speak for themselves. Of course, George Inzelt stayed active also after his formal retirement, by publishing, lecturing, supervising PhD students and by giving advice to young colleagues as professor emeritus and head of the Laboratory of Electrochemistry and Electroanalytical Chemistry at the Institute of Chemistry of ELTE.

This issue is also a farewell to George as Topical Editor of this journal which he has helped to steer for more than 2 decades. We all hope that George will continue to give us help and advice in future. We wish him many years to come!