InvisiblesBy: David Zweig What do fact checkers, anesthesiologists, U. N. interpreters, and structural engineers have in common? For most of us, the better we perform the more attention we receive. Yet for many "Invisibles" skilled professionals whose role is critical to whatever enterprise they're a part of it's the opposite: the better they do their jobs the more they disappear. In fact, often it's only when something goes wrong that they are noticed at all.