Hey, they cut him off before he could tell what they did after calculating a Hamiltonian as a Go constant!

go as in golang?

Yes, the language is called Go, not Golang.

Originally designed by Robert Griesemer, Rob Pike and Ken Thompson.

Presumably, since that's one of the main things he's been working on in recent decades. The third paragraph of the linked article mentions this.

Yes, he was starting to talk about it at the end of the interview.

The long form interview series by the Computer History Museum are excellent resources.

That was just an incredible read.