Sarah LowengardSarah Lowengard is a historian of technology and science who writes about practical and philosophical engagements with colour. A practicing art conservator for more than 40 years and an artisan colour-maker for even longer, Lowengardis a member of the Faculty of Humanities and Social Sciences at the Cooper Union in New York City, and maintains affiliation with several technical art history and analytical art organizations in the United States and abroad. Read More Read Less