James P. Hogan (1941–2010) was a British science fiction author known for writing “hard science fiction,” emphasizing scientific realism, engineering concepts, and logical problem-solving. Before becoming a full-time writer, he worked as an engineer in the computer and aerospace industries, which strongly influenced the technical depth of his fiction.

Hogan helped popularize science fiction focused on scientific reasoning and large-scale mysteries. His Giants series in particular is regarded as a classic example of idea-driven science fiction centered on discovery and intellectual puzzles.