Fountain of Youth

by George Barany and Mike First-Six-Letters-of-73-Across

This "mid-week level" puzzle (18x18) celebrated a specific personal occasion for a friend and colleague pictured to the right. The release date for this puzzle, namely October 22, 2012, is highly significant. After finishing this puzzle (spoiler), learn more about its honoree's research 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); and here for the solution, including bonus materials.

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

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

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