Wikimedia Commons has media related to Pioneers by field.

This is a container category. Due to its scope, it should contain only subcategories.

Biographies of people considered pioneers in various fields of endeavour.

Note: add biographies to these subcategories only if a reliable source has called the subject a pioneer in a certain field.

Please note': This category is not to be used for biographies of settlers; please see Category:Settlers and Category:American pioneers.

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.