Spy Valley: An Engineer's Nuclear Betrayal · Brazen

The Shadow of the Valley of Wealth

·28 min·2 clips

James Harper, a Cold War nuclear spy, left a voicemail after the host wrote him a letter, sparking an unexpected conversation.

This episode of Spy Valley details host Zach Dorfman's conversations with James Harper, a Cold War nuclear spy, and explores Harper's path from Silicon Valley engineer to traitor. Dorfman, an investigative journalist, recounts how Harper responded to a letter and began sharing his story in 2019. The narrative traces Harper's early life in California, his military service, and his career in the aerospace and semiconductor industries, including work on nuclear warning systems. Harper founded companies like Harper Magnetics and later Harper Time and Electronics, where he invented the digital AccuSplit stopwatch. He was removed from his own company after partners accused him of embezzling tens of thousands of dollars. His life spiraled into heavy drinking, gambling, and affairs during the 1970s. Harper then entered the orbit of Bill Hugel, a well-connected Silicon Valley entrepreneur who was secretly a witting agent for Polish intelligence, codenamed Eagle. Hugel ran schemes to ship prohibited technology to the Soviet Bloc using shopping lists provided by Polish contacts, which ultimately originated from the KGB. Harper acted as a sub-agent for Hugel, obtaining specific technical documents for payments of $2,500 to $5,000 at a time. The FBI investigated Hugel's operation under the codename Starfish, knowing he was helping the Poles build an entire computer factory. A pivotal moment occurred when Harper reconnected with his old girlfriend, Louise Shuler, at the Chez Yvonne bar. Shuler worked as an assistant to the president of Systems Control Incorporated, a firm doing classified research on ballistic missile defense for the U.S. military. Harper realized the potential value of her access and gave her guidelines on what classified documents to look for. One surprising insight is Harper's self-description as someone who commits to things "fully and completely," even espionage, which he stated with a laugh. Dorfman describes Harper as a "horned charmer" and a "great storyteller" with a precise memory, yet also as frequently misogynistic, bigoted, and casually cruel. The episode reveals that Harper, the inventor of the digital stopwatch, viewed his espionage as a business opportunity, betting he could sell Shuler's accessed nuclear secrets through Hugel's network. It also notes the irony that Hugel's Polish-built computer factory was reportedly out of date by completion, meaning he "screwed the Poles" as well. The tone is investigative and narrative, blending historical documentary with personal memoir as Dorfman grapples with his complex subject. The style is conversational yet detailed, weaving together interview clips, historical context, and descriptive storytelling. Listeners interested in Cold War espionage, Silicon Valley history, and complex, morally ambiguous true crime stories would find this episode compelling. Those seeking clear-cut heroes or a fast-paced thriller might find the detailed biographical setup and focus on character too slow.

As heard by us

A Cold War spy story where early Silicon Valley and secret loyalties keep colliding.

The episode tracks James Harper, presented as one of the Cold War's most notorious nuclear spies, from a voicemail into a long chain of conversations with the narrator.

Read the full review in PlayNext →

Why you'd press play

You want a spy story where Silicon Valley and Polish intelligence collide.

Read the full recommendation in PlayNext →

Listen to the show on

Apple Podcasts Spotify

Play clips from this episode More from Spy Valley: An Engineer's Nuclear Betrayal