1. Professor Roald Hoffman giving a lecture to one of his chemistry classes Collection: Images from the Rare Book and Manuscript Collections Date: 1990 Format: Image Creator: Hildreth, Chris (American photographer)
2. Professor Roald Hoffmann lectures to one of his chemistry classes Collection: Images from the Rare Book and Manuscript Collections Date: 1990 Format: Image Creator: Hildreth, Chris (American photographer)
