The link is still messed up. When you click on:
https://en.wikipedia.org/wiki/Tom_Cooper_(author)
After the page opens, click on the link at:
Did you mean: Tom Cooper (author)?
That takes you to his biography.
Here are several good links on the author:
https://ospreypublishing.com/store/contributors/tom-cooper
https://www.amazon.com/Tom-Cooper/e/B0034Q35M2
https://www.bookdepository.com/Iranian-F-4-Phantom-II-Units-Combat-Tom-Cooper/9781841766584