Code of the Lifemaker
1983 science fiction novel by James P. Hogan

Code of the Lifemaker is a 1983 novel by British science fiction author James P. Hogan. NASA's report Advanced Automation for Space Missions was the direct inspiration for this novel detailing first contact between Earth explorers and the Taloids, clanking replicators who have colonized Saturn's moon Titan.
A sequel titled The Immortality Option was published in 1995.
Plot summary
About 1,000,000 B.C., an unidentified alien race sent out robotic factories to many worlds in their part of the galaxy to prepare for future settlement. One of those factory ships suffers severe radiation damage from a near-miss by a supernova and goes off course, drifting in space for a hundred thousand years before landing on the Saturnian moon Titan. Due to a malfunction in its database, it begins producing imperfect copies that begin to evolve on their own. (The description of this background is presented in a prologue that proved sufficiently popular among readers that it was later anthologized on its own in a collection of Hogan's short fiction.) The resulting machine ecosystem eventually gives rise to humanoid robots with human-like intellects, who develop a civilization similar to early civilization of Earth. Almost all of them have reverence for their mythical creator, a being they call the "Lifemaker".
Early in the 21st century, the North Atlantic Space Organization (combining NASA and NATO) dispatched the Orion with a cover story of terraforming Mars for human habitation. Karl Zambendorf, a con artist who is present on this expedition to verify ESP over interplanetary distances, prematurely learns that the Orion and its crew of researchers is headed for Titan, where the discovery of the Taloids has been kept need-to-know on Earth.
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Reception evidence should be dated and situated: later canonical status may differ sharply from the work’s initial circulation. The source revision retrieved here is dated Jan 31, 2026. The linked authority identifier is Q5140094. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1983 and 1995.
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This entry incorporates text from “Code of the Lifemaker” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.