http://www.rssboard.org/rss-specification 720 http://catalog.wrhs.org/collections/search?sort%3Dcreator;keyword%3Dshakers;expand%3Dsubject;f1-subject%3DTobin%20family%20--%20Photographs Results for your query: sort=creator;keyword=shakers;expand=subject;f1-subject=Tobin family -- Photographs Tue, 28 Jul 2020 12:00:00 GMT http://catalog.wrhs.org/collections/view?docId=ead/PG592.xml Matthew Luckiesh (1883-1967) was an authority and pioneer in the research of light, lighting, color, vision, and seeing. Known as "the father of the Science of Seeing," he was a physicist at the Incandescent Lamp Department of the General Electric Company in Cleveland, Ohio. The collection consists of 422 black and white photographs, 21 color photographs, and 101 black and white negatives. http://catalog.wrhs.org/collections/view?docId=ead/PG592.xml Wed, 01 Jan 2014 12:00:00 GMT