Johann Mendel was a man known for his groundbreaking work with pea plants, which led to the discovery of genetics. However, there are several synonyms that can be used to refer to him. One option is to simply use his full name, Gregor Johann Mendel. Other synonyms include "the father of modern genetics" and "the pea plant pioneer." Mendel's important work with pea plants earned him a place in scientific history, and his findings are still studied and used today. Regardless of the synonym used to refer to him, Johannes Mendel's contribution to the field of genetics is unparalleled.