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Lazar took electronics courses in the late 1970s at Pierce Junior College in Los Angeles.
Lazar claims he earned a master's degree in physics from the Massachusetts Institute of Technology (MIT), and a master's degree in electronic technology from California Institute of Technology (Caltech); however, there are no records of Lazar attending either MIT or CalTech. Furthermore, Lazar was not a member of a professional body. Lazar speculates that his academic records were erased in an effort by authorities to discredit him.
Lazar owns and operates United Nuclear Scientific Equipment and Supplies, which sells a variety of materials including radiation sensors, radioactive ores, non-radioactive elements (such as pure silicon), powerful magnets, and other scientific equipment such as aerogel, as well as a variety of lab chemicals. In 2006, Lazar and his wife Joy White were charged with violating the Federal Hazardous Substances Act for shipping restricted chemicals across state lines. The charges stemmed from a 2003 raid on United Nuclear's business offices, where chemical sales records were examined.
United Nuclear pled guilty to three criminal counts of introducing into interstate commerce, and aiding and abetting the introduction into interstate commerce, banned hazardous substances. In 2007, United Nuclear was fined $7,500 for violating a law prohibiting the sale of chemicals and components used to make illegal fireworks.