Guido Assmann

The provided news articles focus on the potential implementation of entrance fees for Cologne Cathedral. Guido Assmann is not mentioned in either article. Therefore, it's impossible to provide information about him based on the given context. The articles discuss the cathedral's need for new revenue streams to cover maintenance costs, the potential fee amounts, and the public outcry against limiting access to the cathedral based on financial means. The debate centers on balancing the need for funding with the cathedral's role as a public and spiritual space, accessible to all regardless of income.