'Well, in any case it is certainly an improvement on your appearance the last time I saw you.' Daniel was referring to the explosion in the laboratory, which was now far enough in the past that both Daniel and Roger had their eyebrows back. He had not seen Roger since that night because Isaac, upon coming back to find the lab blown up, had fired him, and sent him packing, not just out of the laboratory, but out of Cambridge. Thus had ended a scholarly career that had probably needed to be put out of its misery in any case. Daniel knew not whither their Cinderella had fled, but he appeared to have done well there.