According to Wikipedia,
Gregorio Ricci-Curbastro was an Italian mathematician. He is most famous as the inventor of tensor calculus. With his former student Tullio Levi-Civita, he wrote his most famous single publication, a pioneering work on the calculus of tensors, signing it as Gregorio Ricci. This appears to be the only time that Ricci-Curbastro used the shortened form of his name in a publication, and continues to cause confusion.
Gregorio Ricci-Curbastro is affiliated with the following schools: