Timon Gremmels

Timon Gremmels is not mentioned in either of the provided news articles. The articles focus on Edith Erbrich, a Holocaust survivor receiving an award, and Rolando Villazón, an opera singer receiving the Rheingau Music Prize. Therefore, it's impossible to provide any information about Timon Gremmels based on the given context. The articles do not contain any information about his background, current newsworthiness, recent events related to him, or his current relevance or significance.