The famous physicist and inventor associated with AC electricity is Nikola Tesla. Tesla's pioneering work in the late 19th and early 20th centuries laid the groundwork for the widespread use of alternating current (AC) power systems, which revolutionized the electrical industry. He developed numerous technologies, including the Tesla coil and induction motor, contributing significantly to the advancement of electrical engineering. Tesla's visionary ideas extended beyond electricity, encompassing wireless communication and renewable energy. Despite facing financial challenges during his life, Tesla's legacy endures, as he is celebrated for his genius and contributions to modern technology.