full title · Protagoras
author · Plato
philosophical movement · Platonic dialogue
original language · Greek
time and place written · Protagoras was written in Greece during the fourth century B.C.E.
date of first publication · Exact dates for the first publication of Protagoras are unknown, but it was most likely written before 375.
speaker · There are a number of different speakers in Protagoras, the most important being Socrates and Protagoras.