Earlier quoted context omitted.
I think he's referencing the beginning of "Computer Science" degrees. Computers were researched by electrical engineers and mathematicians before.
Yes. My undergraduate diploma says "Electrical Engineering - Computer Science". Computer science wasn't a full department yet.
My father-in-law had a math degree and was a math professor, and then an EE professor — the latter while he co-founded an AI lab, that hired physics major Richard Stallman and other non-CS-majors.