Experiments with Alternate Currents of High Potential and High Frequency is a work of Serbian inventor Nikola Tesla, best known for his contributions to the design of the modern alternating current (AC) electricity supply system. The book is a record of Tesla's pioneering activities, research, and works. Tesla is recognized as one of the foremost electrical researchers and inventors. At the time of publication, the book was the "bible" of every electrical engineer practicing the profession.