- Concrete is a town in north-central Skagit County, Washington, United States. It is part of the Mount Vernon-Anacortes, Washington Metropolitan Statistical Area, and had a population of 801 at the 2020 census.
- Arthur C. Clarke (Wikipedia)
Sir Arthur Charles Clarke CBE FRAS (16 December 1917 – 19 March 2008) was an English science fiction writer, science writer, futurist, inventor, undersea explorer, and television series host.