Granville Van Dusen

Jack Morgan is a dog therapist, once famous for being able to read his dog's mind. Although Jack cannot read the minds of other dogs, he still operates a canine mind-reading business, without divulging his inability to customers. Mr. Mooney and his wife bring their dog to see Jack. Dissatisfied with Jack's inability to read his dog's mind, Mr. Mooney, ...

Two scientists involved in chimpanzee research -- one maintaining that the animals should be kept in their native habitat in Africa without human interference, the other trying to train them in sign language in a domesticated atmosphere -- join forces when they learn that the government plans to cut off the language grant and use the chimps for radiation research.