Nicola Thomis and Adam Forziatti met to talk about one of their favorite perfume houses, Pierre Guillaume, and the perfumer's clever tricks and inventions. ARTICLES: The Lightness of Citrus. Reflections on Pierre Guillaume's New Trilogy, by Nicola Thomis Pierre Guillaume The Perfumer, by Sergey Borisov Sensuality in Summer: Imaginary Authors' Saint Julep, by John Biebel PERFUMES: Morning...