This begins a yearly column from Simon Nightingale and his wife Bridget. Dr. Nightingale is a second generation metagrobologist (His father Bill had started their collection of over 1000 puzzles many years ago.). The answer to this rebus appears in Answers and Solutions.
Word Ways: Vol. 41
, Article 7.
Available at: http://digitalcommons.butler.edu/wordways/vol41/iss4/7