Wyllis Oswald Cooper (January 26, 1899 – June 22, 1955) was an American writer and producer.
He is best remembered for creating and writing the old time radio programs Lights Out (1934–1947) and Quiet, Please (1947–1949).
A group of strangers become trapped in a stalled elevator, and as tensions rise, they realize one of them may be the devil in disguise. As each person’s past sins come to light, the survivors must uncover the truth before they are all claimed.
