The Pathless on Paths---------Chapter VI part 3(5)

“Yes, all about it. My brother, Emmit Noah is your colleague. He was eager to inform me of any advancement, though it be prohibited. I worked here some years ago, actually, but in the Medical Department. I was transferred elsewhere later, but I was able to return under concealment just prior to Ground Zero. We search for Dr. Ivan Kater,” Emmerich replied.
“Ah, him,” Clare nodded. “Sorry, but I am afraid I cannot help you find him, for he sort of...disappeared a few days before Ground Zero.”
“That matters not, we know where he is. Negative ten, Sector V, room -105.” Emmerich said. “But by now perhaps negative ten as the lowest level is already full to the brim with water. These are ill tidings indeed!”