One popular author could be Isaac Asimov. His works often deal with complex scientific ideas within a fictional setting, which is a characteristic of citadel science fiction.
Another great author in this genre is Frank Herbert. His 'Dune' series features a richly detailed universe with unique political, ecological, and technological aspects. The world - building in 'Dune' is so elaborate that it's a prime example of what citadel science fiction can achieve, with its complex power struggles and the use of strange substances like the Spice.
In 2021, Becky Chambers was among the popular science fiction authors. Her stories are known for their focus on characters and relationships in science - fictional settings. Also, Alastair Reynolds has a following with his grand - scale science - fiction novels.
Isaac Asimov is a very popular science fiction author. He wrote many books, like the 'Foundation' series, which are known for their grand ideas about galactic civilizations. Arthur C. Clarke is another well - known one. He wrote '2001: A Space Odyssey' among other works. And Ray Bradbury, who wrote 'Fahrenheit 451', is also a popular science fiction author.
Well, Ann Leckie was quite popular in 2018. Her works had unique takes on things like identity and power in science - fiction settings. Also, Neal Stephenson continued to be a big name. His books often blend complex science and technology concepts with great storytelling. And Becky Chambers was getting a lot of attention for her character - driven science - fiction stories.
One popular author in Lightspeed Science Fiction is Isaac Asimov. His works are known for their in - depth exploration of robotics and artificial intelligence.
N. K. Jemisin is very well - known. Her works like 'The Fifth Season' under Tor are not only great science fiction but also deal with important social and environmental themes. Kim Stanley Robinson is also popular. He has written many books about space exploration and human settlement, such as 'Red Mars'. His works are detailed and often thought - provoking about the future of humanity in space.
Isaac Asimov has some works that touch on conquest themes. His stories often involve complex political and power - play situations in a science - fiction setting. Another is Robert A. Heinlein. He wrote about characters exploring and sometimes conquering new frontiers in space. Frank Herbert with 'Dune' also has elements of conquest, as different factions fight over the control of the valuable spice on the planet Arrakis.
I'm not sure there are specifically named '20 mm science fiction' authors in a very narrow sense. But in general science fiction, authors like Isaac Asimov are very popular. His works often deal with complex ideas about robotics and future societies which could be related to elements in 20 mm science fiction. Another is Arthur C. Clarke, known for his imaginative space - related stories.
Margaret Atwood, while also known for other genres, has made significant contributions to contempo science fiction. Her 'The Handmaid's Tale' uses a dystopian setting to comment on social and political issues, which is a common approach in this genre.
Anil Menon is a well - known name. His works often blend science fiction with elements of Indian culture.
Some well-known YA science fiction authors include Veronica Roth and Suzanne Collins. Their works have gained wide popularity among young readers.