Background

http://bio.slu.edu/mayden/systematics/bsc420520lect10.html

Ernst Mayr was born on the fifth of July, 1904 in Kempten, Germany and died on the third of February, 2005 at an age of 100 years old in Bedford, Massachusetts, United States. He went back and forth from Germany to the United States but his residency was in the United States