Dieter Jungnickel is an internationally known mathematician working in the fields of applicable algebra, coding theory, design theory, finite geometry, combinatorics and combinatorial optimization. He is the recipient of the 2018 Euler medal of the Institute for Combinatorics and its Applications (ICA). He has published several well-known books, including “Design Theory”, “Optimization Methods”, “Finite fields: Structure and arithmetics”, “Coding Theory”, “Combinatorics” and “Graphs, Networks and Algorithms”, some of which have been published both in English and German.