Professor Rubek.

[Remains sitting at his table and gazes fixedly and earnestly at her. At last he rises, goes some steps towards her, stops, and says in a low voice.] I know you quite well, Irene.

The Lady.

[In a toneless voice, setting down her glass.] You can guess who I am, Arnold?

Professor Rubek.

[Without answering.] And you recognise me, too, I see.

The Lady.

With you it is quite another matter.

Professor Rubek.

With me?—How so?