Here's why:
* His work, "Bibliotheca Universalis" (1545-1549), was a monumental achievement in its time. It was an extensive catalog of books, manuscripts, and even musical compositions, spanning across different languages and subject areas.
* Gesner's work was highly influential, laying the foundation for future bibliographic endeavors. His systematic approach and meticulous attention to detail helped establish the principles of cataloging and organizing knowledge.
While other scholars made significant contributions to the field of bibliography, Gesner's work is widely recognized as the cornerstone and the beginning of the modern discipline.