[Arran]

I caught maybe the tail end of that "documentary" a year ago, and I am rather skeptical about some of their claims, including giving her credit for cell phones. Much like I was skeptical about how much of a contribution a research lab at MIT actually made to radar, implying that they alone were allowed access by the British to the cavity magnetron after the war started. Whomever made the doc. seemed to be oblivious to the fact that mobile radar trailers were already in existence before Pearl Harbor, one in fact detected the Japanese strike force at least an hour before they made it to Hawaii. The trailer was developed and built by the American Westinghouse Company, but you probably won't see a documentary about them because they were a corporation with full time researchers, scientists, and engineers, and not a member of the Washington cocktail circuit, or on a theater marquis. You have to be very careful what you see on PBS, sometimes the "documentaries" are made by people who are either fanboys/fangirls, or someone with an agenda, where they unwilling to research conflicting claims.
Regards
Arran