Michael Francis Flynn was an American science fiction author. Nearly all of Flynn's work falls under the category of hard science fiction, although his treatment of it can be unusual since he applied the rigor of hard science fiction to "softer" sciences such as sociology in works such as In the Country of the Blind. Much of his short fiction appeared in Analog Science Fiction and Fact.
Excerpt from Wikipedia, available under CC BY-SA 4.0.

Firestar
1997
ISBN 9780812530063
Eifelheim
2008
ISBN 9782221109618