"Science is all right, but organisation enables science to work
quickly. And quickness is the essence of this case."

During the afternoon Kennedy was very busy in his laboratory,
where I found him that night after my hurried dinner, from which
he was absent.

"What, is it after dinner-time?" he exclaimed, holding up a glass
beaker and watching the reaction of something he poured into it
from a test-tube.

"Craig, I believe that when you are absorbed in a case, you would
rather work than eat. Did you have any lunch after I left you?"

"I don't think so," he replied, regarding the beaker and not his
answer. "Now, Walter, old fellow, I don't want you to be offended
with me, but really I can work better if you don't constantly
remind me of such things as eating and sleeping. Say, do you want
to help me--really?"

"Certainly. I am as interested in the case as you are, but I
can't make heads or tails of it," I replied.

"Then, I wish you would look up Mrs. Popper to-night and have a
private seance with her. What I want you to do particularly is to
get a good idea of the looks of the room in which she is
accustomed to work. I'm going to duplicate it here in my
laboratory as nearly as possible. Then I want you to arrange with
her for a private 'circle' here to-morrow night. Tell her it is
with a few professors at the university who are interested in