From a clinical epidemiology standpoint, he produced an impressive RCT on screening that would serve all the academic requirements as how to run one of such trials. It ended up with the exact expected numbers, reached the expected conclusions and interpretations and served the German medical community in clarifying these fundamental aspects of modern cervical cancer screening in German scenery. Ulli’s last contribution prepared for HPW (still unpublished) discussed vividly the public health challenges of modifying the standard Pap smear-based screening algorithms in his own country in front of the growing scientific evidence on the value of HPV tests.