BERTLEY. Surely you're the proper person. WELLWYN. [Shaking his head.] It was my rum, Vicar. Look so personal. [There sound a number of little tat-tat knocks.] WELLWYN. Isn't that the Professor's knock? [While Ann sits down to make tea, he goes to the door and opens it. There, dressed in an ulster, stands a thin, clean-shaved man, with a little hollow sucked into either cheek, who, taking off a grey squash hat, discloses a majestically bald forehead, which completely dominates all that comes below it.] WELLWYN. Come in, Professor! So awfully good of you! You know Canon Bentley, I think? CALWAY. Ah! How d'you do? WELLWYN. Your opinion will be invaluable, Professor. ANN. Tea, Professor Calway? [They have assembled round the tea table.] CALWAY. Thank you; no tea; milk. WELLWYN. Rum? [He pours rum into CALWAY's milk.] CALWAY. A little-thanks! [Turning to ANN.] You were going to show me some one you're trying to rescue, or something, I think. ANN. Oh! Yes. He'll be here directly--simply perfect rotter. CALWAY. [Smiling.] Really! Ah! I think you said he was a congenital? WELLWYN. [With great interest.] What! ANN. [Low.] Daddy! [To CALWAY.] Yes; I--I think that's what you call him. CALWAY. Not old? ANN. No; and quite healthy--a vagabond. CALWAY. [Sipping.] I see! Yes. Is it, do you think chronic unemployment with a vagrant tendency? Or would it be nearer the mark to say: Vagrancy---- WELLWYN. Pure! Oh! pure! Professor. Awfully human. CALWAY. [With a smile of knowledge.] Quite! And--er---- ANN. [Breaking in.] Before he comes, there's another---- BERTLEY. [Blandly.] Yes, when you came in, we were discussing what should be done with a man who drinks rum--[CALWAY pauses in the act of drinking]--that doesn't belong to him. CALWAY. Really! Dipsomaniac? BERTLEY. Well--perhaps you could tell us--drink certainly changing thine to mine. The Professor could see him, WELLWYN? ANN. [Rising.] Yes, do come and look at him, Professor CALWAY. He's in there. [She points towards the model's room. CALWAY smiles deprecatingly.] ANN. No, really; we needn't open the door. You can see him through the glass. He's more than half---- CALWAY. Well, I hardly---- ANN. Oh! Do! Come on, Professor CALWAY! We must know what to do with him. [CALWAY rises.] You can stand on a chair. It's all science. [She draws CALWAY to the model's room, which is lighted by a glass panel in the top of the high door. CANON BERTLEY also rises and stands watching. WELLWYN hovers, torn between respect for science and dislike of espionage.] ANN. [Drawing up a chair.] Come on! CALWAY. Do you seriously wish me to? ANN. Rather! It's quite safe; he can't see you. CALWAY. But he might come out.