Krishna Raja Wadiyar, also known as Krishna Raja Wadiyar IV, was the Maharaja of the princely state of Mysore in India from 1902 to 1940. He played a significant role in modernizing the state, focusing on education, infrastructure, and public health. His reign is often regarded as a golden period for Mysore, marked by progressive policies and cultural patronage. Under his leadership, Mysore saw the establishment of various institutions, including the University of Mysore and the Mysore Zoo. He was also a patron of the arts, promoting classical music and dance. His contributions significantly shaped the cultural and social landscape of the region.