Oleg Losev
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Oleg Vladimirovich Losev was a Russian and Soviet scientist and inventor who made significant discoveries in the field of semiconductor junctions and the light emitting diode.
Employees of the Central Radio Laboratory, Leningrad, 1930. Losev is in fourth row, third from left.
Zincite
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Zincite is the mineral form of zinc oxide. Its crystal form is rare in nature; a notable exception to this is at the Franklin and Sterling Hill Mines in New Jersey, an area also famed for its many flu
Crystal blades of zincite
Microscopic image of Zincite and Franklinite under normal light
Synthetic zincite crystals