How to pronounce “john harrison” in English

It was a challenge that was solved right around this moment by a guy named John Harrison, who basically invented a really, really good clock that could be carried on ships.

Her previous books include "Longitude" about the English clockmaker, John Harrison; and "Galileo's Daughter" about Galileo's older daughter

I had the illustrated version, and I'll never forget flipping through the plates in the middle where there's a picture of John Harrison's

A question I came away from the book was, what happened to John Harrison in between three and four that led him suddenly come out with something that looked

And there's a writer, just to name one-- I could go on and on-- but to pick one, there's a writer named M. John Harrison who's British.