	By 1901, "Auergesellschaft" had their first subsidiaries in Austria, the United States, and England. In 1906, the OSRAM light bulb was developed; its name was formed from the German words OSmium", for the element osmium, and "WolfRAM, for the element tungsten. In 1920, Auergesellschaft, Siemens & Halske, and Allgemeine Elektricitäts-Gesellschaft (AEG) combined their electric lamp production with the formation of the company OSRAM. In 1935, Auergesellschaft developed the luminescent light.