[DigiDigiorno]

The duo in 1969 developed the line-drawing system displays LDS-1 and LDS-2, the first graphics devices with a processing unit. They then built the E&S Picture System—the next generation of LDS displays.

I'm working with my limited and stereotyped knowledge of Utah, but is "line-drawing system" a easter egg reference to latter day saints?

[boulos]

Yes. Somewhat famously, Sutherland named it that to troll Evans, to see if he'd flinch. He didn't and thought it was funny.