From June 19 to June 21 2023, the second interdisciplinary Summer School will be held at RWTH. This year's event, called "Hydrogen Innovation Ecosystem", will focus on the different stages of the hydrogen economy. Lectures from science, practice and industry will present both interdisciplinary and transdisciplinary research approaches. Postdocs and advanced PhD students of all research directions from universities and non-university research institutions in North Rhine-Westphalia are cordially invited to participate.For more information, please visit the HumboldthochN School website.Humboldtⁿ-School 2023 - Humboldtⁿ (