Oleg Losev

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Oleg Vladimirovich Losev was a scientist and inventor. He was born to a high-ranking family in Imperial Russia. He published a number of papers and patents during his short career. He observed light emission from carborundum point-contact junctions, the first LEDs. He explored negative resistance in semiconductor junctions, building the first solid-state amplifiers, oscillators, and superheterodyne radio receivers 25 years before the invention of the transistor.