Raynor One walked to the window and said in his deadpan voice, It's useless.
"The Colors of Space"
Marion Zimmer Bradley
The finest joke is to criticize and insult a stranger, preferably an Earthman, to his very face, in an unknown language, perfectly deadpan.
"The Door Through Space"
Marion Zimmer Bradley
Keyhoe, with his spare, matter of fact writing style, which also conveys a profound sense of wonder, has to be the prototype for the deadpan Fox Mulder of the X-Files.
"The Flying Saucers are Real"
Donald Keyhoe