William Langenheim, Frederick Langenheim at Niagara Falls, 1858, albumen stereograph, collection of Nelson-Atkins Museum of Art, Kansas City. Colloquium Friday, January 12, 2018 - 3:30pm Jaffe 113 ARTH Colloquium - Michael Leja, "Fusing Photographs and Breaking Eggs: The Langenheims’ Niagara Series Stereographs"