In this
panel Bernardino Campi adopted a sober, spare figurative language, far from
the refinements of form and colour that had marked his work of the previous
decade.
The saint is depicted with the white tunic of the Carthusians, while Guglielmo da Fenoglio, with a long beard and shaved hair, wears the habit of the laybrothers
The
panel was probably intended as Bernardino Campi’s contribution to the
polyptych with the "Assumption of the Virgin" painted by Andrea
Solario for the high altar of the Charterhouse of Pavia, which was never
finished.