Henry Spann  Henry L. Spann was a theater architect in Buffalo, New York. He is credited with designing about a dozen of the city's theaters as well as ones in surrounding areas including Niagara, New York. He built theaters for various owners. He worked with his much younger brother William T. Spann who was also an architect. Spann also designed buildings for Catholic institutions in the area. Spann's theater designs for Michael Shea incorporated commercial space. The North Park Theatre he designed remains in existence and efforts were underway to preserve the Sattler Theater on Broadway. Shea's Seneca commercial building section remains and was being proposed for National Register of Historic Places consideration in 2018.