Pasquale del Pezzo
Pasquale del Pezzo, Duke of Caianello and Marquis of Campodisola , was a Neapolitan mathematician.
He was born in Berlin onMay 1859. He died in Naples onJune 1936. His wife was the Swedish writer Anne Charlotte Leffler, sister of the great mathematician Gsta MittagLeffler .
Source: Wikipedia