an Entity references as follows:
Andreas von Antropoff (Russian: Андрей Романович Антропов; 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.