Stanislao Cannizzaro at the age of 32, after a sketch by Demetrio Salazzaro. Courtesy Edgar Fahs Smith Collection, Kislak Center for Special Collections, Rare Books and Manuscripts, University of Pennsylvania.

Stanislao Cannizzaro at the age of 32, after a sketch by Demetrio Salazzaro.

Edgar Fahs Smith Collection, Kislak Center for Special Collections, Rare Books and Manuscripts, University of Pennsylvania