السير

American author and co-founder of the Seventh-day Adventist Church, known for her extensive writings and prophetic visions

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

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