Charles Martin Hersh and his wife Martha Tandy Smith Hersh were interested in Pennsylvania Germans, and did research, wrote books, and lectured on the subject. Mr. Hersh was born in 1921 in Tamaqua, Pennsylvania. He received his university degrees from Syracuse University, earning a Ph.D. in political science. He taught at American University and then worked as a civilian for the U.S. Army, ending his career as Dean of Academic Affairs at the U.S. Army War College in Carlisle, Penn. He died in 2013. Tandy Hersh was a church musician. Both she and her husband were weavers. Charles Hersh was of Pennsylvania German descent. Charles and Tandy Hersh researched American textiles and Pennsylvania German material culture. They presented lectures, curated museum exhibitions, served on historical society boards, and served in various volunteer capacities. Together they wrote Samplers of the Pennsylvania Germans; Rural Pennsylvania German Weaving, 1833-1857; and Cloth and Costume: 1750-1800: Cumberland County, Pennsylvania. Donated their collection, books and research papers to The Winterthur Library.