The writer of the article could have specified Ilya and Alexander Salkind for readers who do not know them and may want to know more about them.
To avoid the overuse of the word “apparently”, I would have written, “appear to be permanently stuck at age 65”. Many reporters, news presenters, and writers seem to have a habit of using the word "apparently" when stating something that appears obvious to them, but may not necessarily be true.
These are just a few suggestions for what is all ready a good article.