- Epictetus, Roman Stoic philosopher (60-120?).
- Pliny (Plinius), the elder, Roman naturalist (A. D. 23-79).
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- Marcus Aurelius Antoninus, Roman emperor and philosopher (121-180).
- Lucian, Greek author (120?-200)
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- Marcus Aurelius Antoninus, Roman emperor, philosopher (121-180).
- Claudius Ptolemy, Græco-Egyptian astronomer, geographer (2d C. A. D.).
- Claudius Galen, Roman physician and medical author (130-200?).
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- Constantine I., the Great, emperor of Rome (272-337).