Eula Hall (October 29, 1927 – May 8, 2021) was an influential Appalachian activist and healthcare pioneer renowned for founding the Mud Creek Clinic in Grethel, Kentucky. Born into a farming family in Kentucky, Eula faced educational challenges due to the distance of the local high school. Despite these obstacles, she became a fierce advocate for her community. Eula's activism began during President Johnson's War on Poverty when she joined the VISTA program and later worked with the local Appalachian Volunteers. Her dedication led to her involvement in various community groups and the establishment of the Mud Creek Water District and the Kentucky Black Lung Association. In response to the failed OEO health program, she founded the Mud Creek Clinic in 1973, providing healthcare for the uninsured and under-insured. Despite adversity, including a devastating arson attack, Eula's determination and leadership ensured the clinic's survival and growth. Her impactful work and commitment to the wellbeing of her community left a lasting legacy. Eula Hall's extraordinary life and contributions were chronicled in the biography "Mud Creek Medicine: The Life of Eula Hall and the Fight for Appalachia," a testament to her indelible mark on healthcare and activism.

Eula Bingham (July 9, 1929 – June 13, 2020) was a prominent American scientist, celebrated for her pivotal role as the Assistant Secretary of Labor for Occupational Safety and Health (OSHA) during Jimmy Carter's presidency. Her impactful leadership at OSHA led to the elimination of over 1,000 regulations and a shift towards prioritizing health and safety risks. Bingham's advocacy for workers' rights resulted in the establishment of stringent standards for employees' knowledge about exposure to hazardous substances.Born in Covington, Kentucky, Bingham pursued higher education against her initial job offer, eventually earning a Ph.D. in Zoology from the University of Cincinnati. Her noteworthy career included groundbreaking research on chemical carcinogens and extensive contributions to occupational and environmental health policy.Following her tenure at OSHA, Bingham continued to make significant contributions, serving as Vice President and University Dean for Graduate Studies and Research at the University of Cincinnati. She also played a crucial role in advising state legislators, labor unions, and consumer groups on safety regulations, including consultation on the Exxon Valdez oil spill cleanup.Bingham's impactful work earned her numerous prestigious accolades and awards, recognizing her exceptional contributions to public health and advocacy. She leaves behind a remarkable legacy, having made enduring contributions to occupational safety and environmental health.

Eula Whitehouse (1892–1974) was a prominent American botanist, botanical illustrator, and plant collector renowned for her extensive collection of specimens from various regions, including Africa, Hawaii, Australia, New Zealand, Cyprus, India, Singapore, Fiji, and Mexico. Born in Cleburne, Texas, on August 1, 1892, she pursued her education at the University of Texas at Austin, where she earned her B.A. in 1918 and M.S. in 1931, and later completed her Ph.D. in 1939. Notably, she was one of the few women in America to achieve a Ph.D. during that time. Whitehouse held various roles in academia, working as a professor, curator, and instructor in botany and related fields at institutions such as the University of Texas College of Mines, Texas Memorial Museum at Austin, and Southern Methodist University. Her significant contributions to the field of botany and herbarium collections are evident through the use of the standard author abbreviation "Whitehouse" when citing botanical names. Furthermore, her authored and illustrated work, "Texas Flowers in Natural Colors," published in 1936, stands as one of the pioneering books dedicated to Texas wildflowers. Eula Whitehouse's remarkable achievements led to her inclusion in prestigious publications such as Who’s Who of American Women (1959) and American Men of Science (1944), reflecting her enduring impact in the scientific community.