Answer
Demosthenes, a renowned Athenian orator, attributed the beginning of a golden age in Athens to Solon, a 6th-century BCE Athenian lawmaker. Solon's reforms, which included the creation of a constitution and the establishment of a democratic system, laid the foundation for Athens' political and economic prosperity. Under Solon's leadership, Athens experienced a period of significant cultural and intellectual growth, earning it the reputation as a center of learning and philosophy.