Alexander Nikolayevich Lodygin, known after immigration to US as Alexandre de Lodyguine (Russian: Александр Николаевич Лодыгин; October 6, 1847 – March 16, 1923) was a Russian electrical engineer and inventor, one of the inventors of the incandescent light bulb.

Alexander Nikolayevich Lodygin was born in Stenshino village, Tambov Governorate, Russian Empire.

His parents were of a very old and noble family (descendants of Andrei Kobyla like Romanovs), but of very moderate means.

The diver was supposed to breathe the oxygen-hydrogen mix obtained by electrolysis of water.

[2] The invented diving apparatus was very similar to modern scuba equipment[3][4] His ideas for an electrical helicopter were used[citation needed] many years later by Igor Sikorsky.