Arthur C. Clarke (1917–2008) British science fiction writer, science writer, inventor, undersea explorer, and television series host
"The Sentinel" (1948), originally titled "Sentinel of Eternity" this is the short story which later provided the fundamental ideas for 2001: A Space Odyssey (1968) written by Clarke and Stanley Kubrick. Full text in 10 Story Fantasy, Vol. 1, No. 1 (Spring 1951), p. 41 https://archive.org/details/10_Story_Fantasy_v01n01_1951-Spring_Tawrast-EXciter/page/n39. Two versions of the next to the last sentence have been widely published since at least 1951, the other being: "If you will pardon so commonplace a simile, we have set off the fire alarm and have nothing to do but to wait." <br class="br">1940s