Domin. And with experiments?

Dr. Gall. It might take years. Besides, I’m not old Rossum.

Busman. God in Heaven! God in Heaven!

Domin. (Up to fireplace) So then this was the greatest triumph of the human intellect. These ashes.

Helena. Harry, what have I done?

Domin. (Comes to her) Why did you burn it?

Helena. I have destroyed you.

Busman. God in Heaven!

Domin. (Sits R. of her) Helena, why did you do it, dear?