Dmitrii Legatiuk Author & Editor

Eckhard Hitzer is a theoretical physicist teaching at the International Christian University in Tokyo.

Dr. Dmitrii Legatiuk is a mathematician working at the University of Erfurt, Germany.

Sebastià Xambó-Descamps is an Emeritus Full Professor of Mathematics at the Universitat Politècnica de Catalunya/Facultat de Matemàtiques i Estadística (UPC/FME). 

Rolf Sören Kraußhar is Professor at the University of Erfurt (Germany) and is the Head of the Chair of Mathematics at the Faculty of Education since 2014.