As Christoph Greub embarks on a well-deserved retirement, we take this opportunity to celebrate his remarkable career and lasting contributions. Over the years, Christoph has been a pillar of excellence, known for his unwavering commitment and expertise in B physics. This tribute reflects on his professional journey, the impact he has had on colleagues, young collaborators and the legacy he leaves behind. With deep appreciation, we honour Christoph’s accomplishments and wish him the best in this exciting new chapter of life.
Aebischer et al. (Wed,) studied this question.