Deletion of Reginald James MacGregor

Comment: WP:BIO should be applied carefully when dealing with historical persons as online resources can be extremely limited. In this instance MacGregor (or McGregor, both spellings are used, and usually with his initials R.J.) seems to have been a notable children's author of the interwar era and notability does not expire. Trim the  and leave as a stub
Stance: keep
Cited policy: Wikipedia:No original research (WP:OR)