Ernesto Ces%C3%A0ro
Ernesto Cesro was an Italian mathematician who worked in the field of differential geometry. This is his most important contribution which he described in Lezione di geometria intrinseca . This work contains descriptions of curves which today are named after Cesro.
Cesro was born in Naples. He is known also for his averaging method for the summation of divergent series, known as the Cesro mean.
Source: Wikipedia