Doubly Distinguished

by George Barany, Jed Fisher, Michael Hanko, and Marjorie Russel

This "mid-week level" puzzle was constructed shortly after learning about the death of a consummate puzzle solver of a very different sort (pictorial hint to the right). After completing the puzzle (spoiler), click here to learn more about this puzzle's honoree, his work, and additional surprises from the puzzle. Update: This puzzle appeared in the February 2014 issue of Natural Selections, as accessed 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 Ralph Bunker, Noam Elkies, Martin Herbach, Ben Jones, and Deane Morrison for beta testing the puzzle through its numerous iterations. 

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

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

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