Richard S. Cesaro, an ARPA official who ran the Cold War-era Project Pandora.
The engine keeps several readings of his work open at once.
He directed Project Pandora, funding Johns Hopkins and Walter Reed to test microwave effects (2.5 to 4.0 GHz) on primates in order to mirror the mysterious Soviet 'Moscow Signal' aimed at the US embassy; the engine holds three possibilities as all load-bearing, that this was intentional directed-energy weapon research, or a straightforward Cold War attempt to copy the enemy, or simply a defensive study of health effects.
It matters because it's an early, documented case of governments experimenting with beamed energy on living things, and the engine deliberately refuses to settle its true purpose.