Scott Duke Kominers, Columnist

Kominers’s Conundrums: The Light-Switch Challenge

Brainteasers can be rewarding, and now is a great time to learn the ropes.

April 4, 2020 at 2:50 PM UTC

Scott Duke Kominers is the MBA Class of 1960 Associate Professor of Business Administration at Harvard Business School and a faculty affiliate of the Harvard University department of economics.

With any luck, you’ll emerge from this anxious time with an enigmatic new hobby.
Photographer: Moment RF via Getty Images

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This weekend, lots of people are finally getting their sourdoughs started. Others are enjoying Frozen 2 for the twentieth time. For me, this is the perfect time to kick back with some brainteasers.

I love puzzles of all forms. I’ve published a few of my own, and at least once a year I spend an entire weekend solving a massive puzzle competition that unfolds across a college campus.