"The villain must be Sir Christopher Wren!" Saturn clearly meant this as a preposterous jest, and so he was appalled to see Daniel considering it seriously. "Because he is one of the very few still living from that æra, you mean," Daniel finally said. "It is a good thought. But no. This is not being done by Wren, or Halley, or Roger Comstock, or any of the others who were in the Royal Society in those days. Supposing I wanted to kill someone—would I brew up nicotine? No. No, Peter, this is being done by someone of a more recent generation. He has conceived a diseased Fascination with the Royal Society of the 1660s. He has poured an unhealthy amount of time into studying what we did, and reading our annals."