DARLINGTON - Author and speaker Dr. Gordon E. Dammann of Lena will present "Frontier Medical Diseases and Treatments" at 1:30 p.m. March 26 in the meeting room of Town Bank, 15815 Wisconsin 81, Darlington. Attendees should use the lower level entrance on the back side of building. Dammann is a Civil War expert and the founder of the National Museum of Civil War Medicine and the Lena Area Historical Society.