Happy Birthday to a Facebook Friend

by George Barany

This "mid-week level" puzzle (13x13) was released on a date of particular significance to the puzzle's honoree (pictured to the right, circa 1971). After completing the puzzle (spoiler), learn more about its honoree by clicking here.

Click here to view or download the puzzle in PDF format; here to download it as a puz file; here to download it as an ipuz file [requires the free Puzzazz app to solve]; here to solve the puzzle interactively (thanks to Jim Horne); here for the solution. We thank Steve Bachman, John Child, Noam Elkies, Victor Fleming, Brent Hartzell, and Martin Herbach for beta testing the puzzle on short notice, and confirming that it was feasible to solve even for those unfamiliar with its honoree.

If you want to tell others about this particular page, refer them to
http://tinyurl.com/fbbdaypuz

More puzzles here (all) and here (tributes).

E-mail barany@umn.edu to be added to a bcc distribution list.