The 66th Primetime Emmy Awards occurred in 1970.
`` Knock '' , written by Fredric Brown , is a science fiction short story that starts with a short-short story based on the following text of Thomas Bailey Aldrich  :. Fredric Brown. Fredric Brown. short story. short story. short-short story. Flash fiction. Thomas Bailey Aldrich. Thomas Bailey Aldrich. Imagine all human beings swept off the face of the earth , excepting one man .. Imagine this man in some vast city , Tripoli or Paris .. Imagine him on the third or fourth day of his solitude sitting in a house and hearing a ring at the door-bell !. -LRB- Ponkapog Papers , 1904 -RRB-. Fredric Brown condensed this text to `` a sweet little action story that is only two sentences long . ''. Fredric Brown. Fredric Brown. Knock then goes on to elaborate on those two sentences and build a more complete plot around them .. It was published in the December 1948 issue of Thrilling Wonder Stories .. Thrilling Wonder Stories. Wonder Stories. There have been three different radio adaptations -LRB- Dimension X , X Minus One and Sci Fi Channel 's Seeing Ear Theatre -RRB- .. Dimension X. Dimension X ( radio program ). X Minus One. X Minus One. Sci Fi Channel. Syfy. The story was reprinted in The Best Science Fiction Stories  : 1949