EntityQ4093478· pop 7· linked from 5 articlesIvan BorgmanSign in to saveRussian physicist who first demonstrated in 1897 that X-rays and radioactive materials induced thermoluminescenceConnectionsphysicsEntityInternational Standard Book NumberEntityRussian EmpireCountryX-rayEntityelectrical engineeringEntitydigital object identifierEntityGustav KirchhoffEntityHeidelberg UniversityEntitySaint Petersburg State UniversityEntityQ180686EntityJSTOROrganizationbibcodeEntityradionuclideEntityUniversity of St AndrewsEntityAlexander Stepanovich PopovEntitythermoluminescenceEntityOrest KhvolsonEntityVladimir Ulyanov (Lenin) LETI Saint Petersburg State Electrotechnical UniversityEntityThe Second Saint Petersburg GymnasiumEntityCategories1849 births1914 deaths19th-century physicists from the Russian EmpireAcademic staff of Saint Petersburg State UniversityRectors of Saint Petersburg State UniversityRussian people of Finnish descentSaint Petersburg State University alumni