He has authored popular books in these fields and translated works of Hobbes and Fuller.

In 1961, Tokarczyk finished Pedagogical High School in Biłgoraj; in 1966 he graduated with MA degrees in law and philosophy from UMCS.

From 1996 to 2000 he was Dean of the Faculty of Law and Economics, of the Studii Generalis Sandomiriensis College of Humanities and Natural Sciences in Sandomierz.

He spent research stays as a Fulbright fellow inter alia at the International Research and Exchange Board in New York City, at the University of Notre Dame, Harvard, University of California, Berkeley, UCLA and under the NATO Foundation in Paris, Rome, Vienna, and Copenhagen.

Tokarczyk introduced the term 'biojurisprudence' as a branch of the science of law which deals with the regulations of threats to human life from the moment of conception to death.