Ah, ego. That particular form of ego is only the issue of those that do not truly and entirely believe themselves to be superior. Klaus will have none of it, especially if it might stop brilliant minds from allying their efforts and figuring things out more quickly.

It's worth trying a compulsion although, as usual, there is no telling whether it will take.

"Doctor," Klaus calls him back as he starts to turn back to his work, reaching out to lay his fingertips on the sleeve of Gaius's hoodie. He looks him in the eye, and gives it his best shot, but just in case it doesn't work, he can't risk phrasing it as the simple order it really ought to be, hiding the compulsion between and behind his words instead. "It would be a shame to let rivalry stand between yourself and speedier results, wouldn't you say?"