The town of Ivrea is quite old and has a rich history, but today, its population has shrunk from around 90,000 in 1970 to just over 20,000 in the 2020s. In the 1400s, Ivrea gained small Jewish community. By the mid 1800s, Salvador Benedetto Olivetti was a successful textile merchant in that community, and he married Elvira Sacerdoti, a banking heiress from Modena. Salvador and Elvira had ...