People who know microscopes know a company called Bausch & Lomb. People from Rochester, New York might know the know a bit more, because that’s where the two German men founded their company. They started small, and became quite rich. In any case, sometime after making it big, John Jacob Bausch built a great big house on the shores of Lake Ontario. That mansion is currently for sale. See the realestate listing here, or read a little article from the local newspaper here.