Andreas von Antropoff

| birth_date = | birth_place = Reval, Russian Empire (present-day Estonia) | death_date = | death_place = Bonn, Germany | education = Riga Polytechnic School
Heidelberg University
Saint Petersburg State University | spouse = Erika Germanniga ( 1926} | children = }} Andreas von Antropoff (; 16 August 1878, Reval, Russian empire — 2 June 1956, Bonn) — Russian (Estonian-born) and German scientist-chemist, professor at the Bonn University and is known to have coined the term "neutronium" and developed a temporarily and widely used alternative periodic table of elements in 1926. Provided by Wikipedia