Alexander Belayev is another great Russian science fiction writer. His works are filled with imaginative concepts. For instance, in 'The Amphibian Man', he tells a story about a man with the ability to live both on land and underwater, exploring themes of identity and acceptance.
Stanislaw Lem, though Polish, had a significant impact on Russian science fiction. His works are known for their deep philosophical and scientific exploration. 'Solaris' is a prime example of his ability to blend complex ideas with a captivating narrative.
Arkady and Boris Strugatsky are among the best. Their works often feature complex ideas and engaging stories. For example, in 'Hard to Be a God', they explore themes of morality and power in a distant, alien - like world.