Spring 2014, Vol. 32, No. 1


Welcome to a sparkling issue of Chemical Heritage! Discover how French scientists made the first synthetic jewels. Find out why margarine is yellow and how it was once used to break the law. Learn the essential role played by a guinea pig in discovering an element and why Katherine Burr Blodgett’s research was invisible. Explore the extraordinary history of the atom bomb project through words and images. As always, we offer treasures from CHF’s collections, book and museum reviews, and more. Enjoy!