Their head sounds like a myth, with an eye for why
Endless, it says to meet but briefly so,
standing for the very famous MA institute.

Then comes the first name of another puzzler, all too familiar
Named who is after the prime of a time wheel with
a horse god at his feet, starting six places further from the start.

At last, anger or annoy without end—
its birth half the death and equally four sided
of any trio’s total member number.

I apologise to that person. But who are they?

Bonus: Find out why.