Jensen Huang joked on stage that the CEO of a $3.25 billion AI company will always be his intern, and there's a footnote in a 2023 Nvidia research paper that says he's right. The CEO is Robin Rombach, who runs Black Forest Labs. Page one of that paper says Robin and two of his future cofounders, Andreas Blattmann and Tim Dockhorn, did the work during internships at NVIDIA. And the intern project was about cars. They trained on 683,060 real driving clips from Nvidia's own dataset, with the…