When the Southern Labs Complex was built, I immediately 'moved' to the colonnade with all my possessions (coffee mug included), and my days suddenly became much more interesting. The colonnade was Krishnan's highway of sorts, as he perambulated to his next meeting, either with a fellow-researcher or his beloved chameleons. But no matter how hard-pressed for time he might have been, there were always a few moments in his day to give me the benefit of his insatiable curiosity, unflagging enthusiasm, the depth of his knowledge and the width of his grin.