Standardized the math used by engineers to design power systems.
: He introduced the use of complex numbers (specifically Steinmetz’s a. e. kennelly
If you'd like to dive deeper, I can provide more details on: His specific for AC circuits. His role in the "War of Currents" while working for Edison. A list of his most influential books and publications . The Papers of Thomas A. Edison - Project MUSE Standardized the math used by engineers to design