Ettore Bortolotti
Ettore Bortolotti was an Italian mathematician.
Bortolotti was born in Bologna. He studied mathematics under Salvatore Pincherle and Cesare Arzel in Bologna. He graduated in mathematics in 1889 at the University of Bologna, under Pincherle. He was appointed as lecturer to the Lyceum of Modica in Sicily in 1891, then studied one year in Paris as a postgraduate, before lecturing at the University of Rome in 1893.
Source: Wikipedia