He was very austere. He gained renown, and performed many acts of healing. He died in Cyprus at the age of 80. In the Roman Catholic Church, possibly the Church of England as well, his day is 21 October. A scarlet pimpernel is, incidentally, a small red flower.
Some folks think they're excellent.
However, the others do not ring any bells. I could not say, however, exactly what allegedly deviant or barbarous acts Germans are wont to perform. See page 3 panel 3 for another example. Diphtheria, however, is just a nasty disease. Note that they are also burning his back against the grill.