Bioshock - Vignette Chat @ IGN

IGN has a Vignette Chat with Ken Levine, which offers a video clip (scroll to the bottom) and a short interview discussing the scene:

IGN: The subject matter here is pretty concrete, since one can clearly see medical personnel doing something very wrong to another human on a surgeon's table. Is that Doctor Steinman? Is he the equivalent to a plastic surgeon for in Rapture? Or is he some thing more insidious? What has happened to him?

Ken Levine: That is Steinman indeed, and he starts out his career as a regular plastic surgeon. Once he gets his hands on the incredible genetic technology that Rapture provides, his ability to shape people is accelerated a thousand times. But the genetic plasmids also have an effect on his mind…