This text is an excerpt from Socrates in 90 Minutes, part of a series offering concise introductions to major philosophical figures. It covers Socrates' life, focusing on his unconventional methods, his trial and execution, and the challenges in separating his actual teachings from those attributed to him by his student Plato. The excerpt also explores the development of philosophy in ancient Greece, contrasting Socrates' approach with that of pre-Socratic thinkers and highlighting the impact of his ideas on subsequent Western thought. Finally, it includes a chronology of significant philosophical events and a selection of purported Socratic quotes.