Gaius Plinius Caecilius Secundus, born Gaius Caecilius or Gaius Caecilius Cilo, better known as Pliny the Younger, was a lawyer, author, and magistrate of Ancient Rome. Pliny's uncle, Pliny the Elder, helped raise and educate him.

Gaius Plinius Secundus, called Pliny the Elder, was a Roman author, naturalist, natural philosopher, naval and army commander of the early Roman Empire, and a friend of the emperor Vespasian. He wrote the encyclopedic Naturalis Historia, which became an editorial model for encyclopedias. He spent most of his spare time studying, writing, and investigating natural and geographic phenomena in the field.