89 Candles for One Minnesota Chemical Luminary

by George Barany and Friends

This "mid-week level" puzzle (13x13) was released on December 8, 2015, an important milestone in the life of the luminary pictured to the right [it updates original version created exactly three years earlier]. After completing the puzzle (spoiler), you can also learn more about him by clicking here [and as a bonus, click here for more about 8-Down].

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.

If you want to tell others about this particular page, refer them to
http://tinyurl.com/89candles

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

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