My thesis is a biography of Nikias, an Athenian general and politician who lived from c. 470 to 413 B.C. Chapter I gives an account of the sources I have used (chiefly Thucydides' History), and Chapter II information about his family. The remaining chapters are a chronological account of his career: Chapter III dealing with the first portion of the Peloponnesian War known as the Archidamian War (431-421); Chapter IV, the Peace of Nikias (421) and the following uneasy years of truce; and Chapter V, the Sicilian Expedition (415-413), the second portion of the Peloponnesian War, which was not concluded until 404. Parts of the thesis cover material not directly pertaining to Nikias but needed for an understanding of his actions. I have intend...