Biographies of people considered pioneers in various fields of endeavour.
Add biographies to these subcategories only if a reliable source has called the subject a pioneer in a certain field. This category is not to be used for biographies of settlers, which are located in Category:American pioneers.
 | This is a container category. Due to its scope, it should contain only subcategories. |
 | Pages in this category should be moved to subcategories where applicable. This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, pages and should mainly contain subcategories. |
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