“If I say ‘germ theory,’ what do you hear?” He frowns. “A new theory from Germany?” At my expression, his eyes glitter. “I am teasing, Catriona. I am well versed in contagion theory as well as the arguments of those who prefer miasmic theory. I lean heavily toward the former. I am quite fascinated by the work of Dr. Pasteur. There is also a new theory from Dr. Lister in Glasgow regarding the use of carbolic acid.
