About eight months into his time at Theranos, however, Shultz resigned himself to the obvious: the company’s high-profile product — the Edison — didn’t work properly and the laboratory was falsifying or giving incorrect results. He did everything he could to try and fix it from the inside, even going so far as to try and reason with Holmes and also his grandfather, the economist and four-time Cabinet secretary under three different United States presidents. But the elder Shultz wouldn’t listen, siding with Holmes’ words over his own family member’s.