Lucius Annaeus Seneca (4 BCE - 65 CE) was a Roman Stoic philosopher, statesman, and playwright who served as a tutor and advisor to Emperor Nero. He wrote influential works on Stoic philosophy, including moral essays, letters, and tragedies, which have had a lasting impact on Western thought. Seneca's writings cover topics such as ethics, the nature of the good life, and how to face adversity with resilience and virtue.