Ray Jayawardhana, an astrophysicist and dean of the college of arts and sciences at Cornell, reflects on yesterday’s unveiling of the first image of a real-life black-hole. “The transformation of the black hole from a mathematical oddity, emerging from Einstein’s theory of general relativity, to an observable fixture of the cosmos is a testament to humanity’s collective intellectual prowess, relentless curiosity and dogged perseverance,” he writes.