But as good a photographer as Jim was, he was even a better person. Of that there is no doubt. He had a face that broke into an easy smile, and he had a personality that matched. He may have been particular about the pictures he took -- and those …

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A news man’s news man
There's no definitive origin of the term "a picture is worth a thousand words," but there's certainly no doubt the expression applied to Jim Wilson.
If one thousand is the standard, then Jim's were worth 10 times that many. Maybe even 100 times that many.