All over the world and all down the ages.

MENDEL

But don't you see that unless you go and study seriously in Germany——?

[Enter Kathleen from kitchen, carrying a furnished tea-tray with ear-shaped cakes, bread and butter, etc., and wearing a grotesque false nose. Mendel cries out in amaze.]

Kathleen!

DAVID [Roaring with boyish laughter]

Ha! Ha! Ha! Ha! Ha!

KATHLEEN [Standing still with her tray]

Sure, what's the matter?

DAVID