Complex sentence: When I hear of a fascinating person whom I believe has done some significantly noteworthy work, I edit or add them to Wikipedia too; lawyers, businessmen, and doctors are all included and have been part of my Wikipedia activities.
Split into simpler sentences: When I hear of a fascinating person whom I believe has done some significantly noteworthy things, I have added them to Wikipedia as well. Lawyers, businessmen, and doctors as well have been part of my Wikipedia activities.