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About the Shenandoah Civil War Associates

2017 Presenters and Guides


Dr. Guy R. Hasegawa

Dr. Guy R. Hasegawa is Senior Editor of the American Journal of Health-System Pharmacy (Bethesda, MD). He received a B.A. in zoology from the University of California, Los Angeles, and a Doctor of Pharmacy degree from the University of California, San Francisco, before completing a residency in hospital pharmacy at the University of Illinois at Chicago.

Dr. Hasegawa has been on the Board of Directors of the National Museum of Civil War Medicine since 2004 and is a Director Emeritus of the Society of Civil War Surgeons. He has published numerous scholarly articles about Civil War medicine, and coedited and contributed to the book Years of Change and Suffering: Modern Perspectives on Civil War Medicine (Edinborough Press, 2009). He is the author of Mending Broken Soldiers: The Union and Confederate Programs to Supply Artificial Limbs (Southern Illinois University Press, 2012) and Villainous Compounds: Chemical Weapons and the American Civil War (Southern Illinois University Press, 2015).

Dr. Gordon E. Dammann, D.D.S.

The creation of the National Museum of Civil War Medicine started as the idea of Gordon E. Dammann, D.D.S., whose collection of medical artifacts from the Civil War forms the core of the Museumís holdings. Dr. Dammann began collecting in 1971, and felt that a museum would be a good way to share his collection and the story of Civil War medicine with the public. Dammann is the author of the three-volume Pictorial Encyclopedia of Civil War Medical Instruments and Equipment, co-author of Images of Civil War Medicine - A Photographic History, and editor of the reprint Memoirs of Jonathan Letterman, MD Surgeon of U.S. Army 1861-1864. Dammann, recently retired from his private dental practice in Lena, IL, is active in several Civil War and historical societies. He is a licensed guide at Antietam National Battlefield and has participated in Civil War programs throughout the United States, including West Point and the Smithsonian Institution.

Dr. Irvin Hess, orthopedic surgeon of Harrisonburg

Dr. Hess is a former chairman of the Shenandoah Valley Battlefields Foundation and served on the Board of Trustees of the Virginia Sesquicentennial of the American Civil War Foundation. He attended Bridgewater College and received his medical degree from the Medical College of Virginia and served as Chief of Orthopedic Surgery at McDonald Army Hospital at Fort Estes before beginning private practice in Harrisonburg where he formed Hess Orthopedics. Dr. Hess has been involved in many Civil war battlefield preservation initiatives. An avid researcher, he has studied the life of Dr. Hunter Holmes McGuire.

Dr. Jonathan OíNeal

Dr. Jonathan OíNeal is an anesthesiologist located in the Shenandoah Valley. He serves on the board of directors of the National Museum of Civil War Medicine and is a frequent speaker on Civil war medicine. He specializes in the Confederate medical history and is a nationally respected expert in the field of medical collectibles.