Astounding Stories of Super-Science, December 1930

"I need a helper," the scientist went on, with the air of talking to himself. "A white assistant who neither loves nor fears me. Unani Assu is good enough in his way, but I need a helper who has had technical training." Suddenly he wheeled on Hale and asked sharply, "How are your nerves, young man?" * * * * * Hale started, but managed to answer calmly. "Excellent. My war record isn't half bad, and that was surely backed with good nerves." "And you say you have no close relatives, no ties of any sort to interfere with work that is dangerous--and something else?" "Not a soul would care if I passed out to-day, Sir Basil."