'2001: A Space Odyssey', 'Rendezvous with Rama' and 'Childhood's End' were written by:

Clarke. "2001: A Space Odyssey", "Rendezvous with Rama" and "Childhood's End" are science fiction novels by the British writer Sir Arthur Charles Clarke.

About these works:

"Childhood's End" (1953): mysterious aliens called the "Overlords" arrive on Earth, end war and poverty, and guide humanity towards a new stage of evolution.

"2001: A Space Odyssey" (1968): developed together with the film director Stanley Kubrick, whose film of the same name was released in the same year. It features the mysterious black monoliths and the famous computer HAL 9000, which turns against the astronauts on a mission to Jupiter.

"Rendezvous with Rama" (1973): explorers investigate "Rama", a huge cylindrical alien spacecraft entering the solar system. It won the Hugo and Nebula Awards and was followed by the "Rama" series.

About Arthur C. Clarke (1917-2008):

He was born in Minehead, England, and served as a radar specialist in the Royal Air Force during World War II.

In 1945, he wrote an article proposing the use of satellites in geostationary orbit for worldwide communication. The geostationary orbit is sometimes called the "Clarke orbit" in his honour.

He moved to Sri Lanka in 1956 and lived there for the rest of his life.

He formulated "Clarke's three laws", including the famous line: "Any sufficiently advanced technology is indistinguishable from magic."

He was knighted in 2000 (Sir Arthur C. Clarke).

Other great science fiction writers:

• Isaac Asimov: "Foundation" series and "I, Robot"; he formulated the "Three Laws of Robotics".
• Ray Bradbury: "Fahrenheit 451" and "The Martian Chronicles".
• G. Wells: "The Time Machine" and "The War of the Worlds".
• Robert Heinlein: "Stranger in a Strange Land".
• Frank Herbert: "Dune" (1965).

Why not the other options?

• ✗Isaac Asimov wrote the "Foundation" series and "I, Robot".
• ✗Ray Bradbury wrote "Fahrenheit 451".
• ✗G. Wells wrote "The Time Machine".