- Nerva-when he took power, he looked for a successor from the beginning of his reign
- He then groomed & nurtured his choice, creating the concept of adoptive rule.
Trajan- launched provincial military campaigns and Rome expanded to its greatest political & geographic extent
Hadrian-a great patron of the arts, active in extending Roman culture, building theatres, etc
Antonius Pius-rule is often considered the height of prosperity and peace.
Marcus Aurelius- presided over the beginning of the disintegration of the empire