[3] Fergola taught and did research in both synthetic and analytic geometry, paying special attention to the physical application of calculus.

[4] In 1799, during the Napoleonic period, he lived in Capodimonte but, when the Borbonic monarchy was restated, he was appointed to the mathematics chair in the university of Naples.

The Borbonic restoration in the kingdom of the Two Sicilies, with his ultraconservative profile, made possible the maintenance of this school until the Risorgimento, but at the end of 19th century it was absolutely forgotten.

[7] To see a taste of the quarrel, here are the words pronounced by Gioacchino Ventura di Raulica in the obituary of Nicola Fergola: Among the sciences, the mathematical ones are those which have taken the more false and disastrous direction.

They were the first to be included in the assault of the philosophers against Christianity ...The only work of Fergola is Prelezioni sui Principi matematici della filosofia naturale del cavalier Isacco Newton, published in two volumes in 1792 and 1793.