At the name of Hannaford, Otway had looked keenly towards the speaker.
"Is that Lee Hannaford ?" he asked.

"Oh, I know him.

In fact, I'm living in his house just now." Arnold was interested.

He had only the slightest acquaintance with Hannaford, and would like to hear more of him.
"Not long ago," Piers responded, "he was a teacher of chemistry at Geneva--I got to know him there.

He seems to speak half a dozen languages in perfection; I believe he was born in Switzerland.