All copyrights in work are conferred on first creator of work and remain his exclusive rights. Publisher, printer, proof reader or editor cam claim no rights in the work. Their rights are limited to claim remuneration for the labor. After the assignment of copyright to publisher, if no duration is mentioned in the agreement, the copyright reverts to the author after five years, please keep this in mind. Credits given by author to those helping in publishing will not confer any moral of pecuniary on them. Every author gives such credits to deserving out of gratitude.