- Mayr was born on July 5, 1904 in Kempten, Germany. Mayr died on February 3, 2005 (aged 100) in Bedford, Massachusetts, United States.
- Mayr's theory of peripatric speciation, more detailed form of allopatric speciation, is his most notable finding. Also he is credited with modern philosophy of biology . This contributed to The Theory of Evolution because no one at the time could answer how multiple species could evolve from a single common ancestor
- "Systematic's and the Origin of Species," (1942) is considered the book that started his career.
- Mayr main contribution was aiding in the conceptual revolution that led to the modern evolutionary synthesis of Mendelian genetics, systematic's , and Darwinian evolution, and to the development of the biological species concept