American mechanical engineer who pioneered scientific management, systematically studying work processes to improve industrial efficiency

American writer, publisher, artist, and philosopher who founded the Roycroft artisan community and was known for his Arts and Crafts advocacy and unique homespun philosophy

Mexican general and politician who served as President of Mexico for over thirty years, leading the nation through the era known as the Porfiriato

African-American educator, author, and orator who founded the Tuskegee Institute and advocated for Black progress through education and entrepreneurship