Of course we have Queen Elizabeth as head of state, but in many ways we are a kind of republic. We don't have royals in Australia, so it was kind of unusual to run into those kind of people. But aside from that it was quite ordinary. ↗
As a physicist, I can state that none of the 18 physicists who signed the Statement works in this field; nor to my knowledge has ever published a paper on this subject. ↗