Steven Duplij (Stepan Douplii) is a theoretical physicist, poet and musician from Kharkov, Ukraine. He is a Lead Staff Researcher of the Theory Group, Nuclear Physics Laboratory at V.N. Karazin National University and a Doctor of Physical and Mathematical Sciences (the prestigious Habilitation doctorate). He works in Theoretical Physics, has several monographs and more than a hundred scientific publications. Editor-compiler of the ""Concise Encyclopedia of Supersymmetry"" (Springer), he has received grants from the "Humboldt" and "Fulbright" Foundations.