For 10 points, name this Serbian-
This scientist's last patent concerned an aircraft capable of vertical take-off, and he correctly determined Earth's resonant frequency. He designed the Wardenclyffe Tower, intended for wireless power transmission and worldwide broadcast, but that project never came to fruition, just like a charged- particle beam weapon popularly known as this man's death ray. He is most famous for promoting an energy supply system that could travel farther without losing energy by utilizing a transformer. For 10 points, name this Serbian- American scientist best known for a feud with Edison in which he advocated for alternating current, the namesake of an electrical resonant transformer coil.
This scientist's last patent concerned an aircraft capable of vertical take-off, and he correctly determined Earth's resonant frequency.
Nikola Tesla