Plotinus (204-270) was the founder of Neo-Platonism. He wrote the Enneads which his disciple Porphyry compiled. He was born in Lycopolis, Egypt, and died in Rome.
General information about Plotinus can be found in the following sources.
Gerson, Lloyd, "Plotinus", The Stanford Encyclopedia of Philosophy (Summer 2014 Edition), Edward N. Zalta (ed.), URL = <https://plato.stanford.edu/archives/sum2014/entries/plotinus/>.
Edward Moore, “Plotinus (204-270 C.E.)”, Internet Encyclopedia of Philosophy, https://www.iep.utm.edu/plotinus/
"Plotinus", Wikipedia: https://en.wikipedia.org/wiki/Plotinus
"Plotinus", The Basics of Philosophy: https://www.philosophybasics.com/philosophers_plotinus.html
His work The Six Enneads translated by Stephen MacKenna and B. S. Page is available at Sacred Texts: http://www.sacred-texts.com/cla/plotenn/index.htm