Arthur Charles Clarke (1917 – 2008) was a British science fiction writer, science writer and futurist, inventor, undersea explorer, and television series host.

He is famous for being co-writer of the screenplay for the 1968 film 2001: A Space Odyssey, widely considered to be one of the most influential films of all time. Clarke was a science writer, who was both an avid populariser of space travel and a futurist of uncanny ability.
Source: Wikipedia