Frank Lloyd Wright’s defining achievements include his pioneering work in organic architecture, seamlessly blending structures with their surroundings. He is best known for the iconic Fallingwater, which epitomizes his philosophy of harmony between humanity and nature. Wright also popularized the open floor plan and horizontal lines, moving away from traditional design constraints. Additionally, his creation of the Prairie School movement emphasized simplicity and craftsmanship. Wright’s innovative concepts in residential design and urban planning reshaped American architecture and inspired future generations to consider the relationship between buildings and the environment.