Daniel Waterhouse

Daniel Waterhouse is the main character of "Quicksilver," although he does not appear in the second interior book. The son of Drake Waterhouse, Daniel is a prominent Puritan and during college at Trinity, he befriends and is roommates with Isaac Newton. Daniel also becomes friends with Gottfried Leibniz through his position in the Royal Society. As he grows older, Daniel becomes involved with British politics.

In the first book, Quicksilver, Enoch travels to Boston to find Daniel Waterhouse because Sophie wants Daniel to return to London to affect a reconciliation between Isaac Newton and Gottfried Leibniz. As Daniel travels to London on the Minerva, he recalls his youth in England. Daniel meets and befriends Isaac Newton while they attend Trinity in 1663, and they spend much time together until the Plague hits London in 1665, forcing Newton to return to his family manor in Woolsthorpe while Daniel returns to...