Placing people into categories is a very difficult process, if you are unsure about whether someone is included it is worth checking the title index. To try to help we have included leaders of the feminist and suffragette movement perhaps wrongly under "political people", and Presidents of the USA as a sub section of political people. Human scientists includes biologists and psychologists. "Celebrities" are a mixture of writers, performers, media and film figures and leaders and are such spread across the sections. In total we have about 700 articles on people.