Everlasting Energy - In Memoriam Prof. Dr.-Ing. Robert Stieglitz

In this volume, colleagues and friends of Prof. Dr.-Ing. Robert Stieglitz, who died suddenly and unexpectedly on 6 December 2023, pay tribute to his life and his extraordinary achievements as an internationally recognised scientist. Prof. Stieglitz's profound view on fusion research, nuclear technology and renewable energy was appreciated worldwide. The contributions in this volume cover all these areas while reflecting his inspirational influence on the authors.