UNFINISHED LETTER: FROM THE COLLECTIONS AT KRESEN KERNOW UNFINISHED BUSINESS Shown here is the first page of an unsent letter by Adams to Airy, discovered in 2004 by the late historian Craig B. Waff. The document reveals that Adams did attempt to reply to Airy's mathematical queries in November 1845 but left off midway through. He begins with words of contrition: " I must apologize for having called at the observatory the other day at so unseasonable an hour . . . " sk yand tele scope .o r g * SEPTEMBER 2022 37http://skyandtelescope.org