Irwin Richman is Professor Emeritus at the Pennsylvania State University at Harrisburg and currently the Director of Research and Development for the Heritage Seed Project at the Landis Valley Museum near Lancaster City. His special interest areas are Pennsylvania German culture, American art, and horticulture. He has lived in Lancaster County for over 35 years.

Michael B. Emery is the Landis Valley Village & Farm Museum's Educator and Volunteer Coordinator. Irwin Richman works with the Landis Valley Associates, a private group dedicated to forwarding the aims of the Landis Valley Village & Farm Museum. They have each authored many books about land use and its traditions.

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