Faithful "The Biologist" readers have followed Guess that Baby contests closely and, among the many wrong guesses, one individual (only) has always guessed correctly. However, the last adorable baby picture posted as part of the January issue's contest left everyone stumped. The guesses flooded in as usual but, this time, not a single correct guess. In fact, the trouble seemed to be that his lovely curls have thrown everyone off. Reposted here, with that clue, until someone claims the Biology hoodie or Timmies gift certificate.
June 6 update: This post has been updated due to a correct guess.
Answer: Bill Taylor (congrats to Jess Leung - Witt lab)