Agostino Pasini (1875-1944), after graduating in Pavia in 1900, began his career at the Ospedale Maggiore in Milan in 1906. He continued the work of Ambrogio Bertarelli as a primary physicist since 1915, and was passionately dedicated to care, with the physical therapy of neoplastic dermatoses, granulomatous and mycotic, both in research: noteworthy are his studies on cutaneous ifomicosis, which lead him to discover a new pathogenic species (Microsporon iris); its name is Pasini's dominant dystrophic epidermolysis bullosa (or atrophic scleroderma) and Pasini-Pierini's atropodermia. Professor of dermatology and syphilography since 1922, he enabled the dermatology center of the Hospital to become a School of Specialization.