sentences:  Both teams attained this accomplishment in 1970.Garbuzov was also responsible for the development of practical high-power, high-efficiency, diode lasers at a variety of wavelength bands from visible to mid-infrared wavelengths.Following perestroika, Garbuzov, who had served as an accomplished and respected scientist and manager within the Soviet scientific research system, established a research group in the West which employed multiple Russian émigré scientists and simultaneously contributed to three American for-profit enterprises.