Input (grade 12): Ernst Walter Mayr (July 5, 1904 - February 3, 2005) was one of the 20th century's leading evolutionary biologists.
Output (grade 10): Ernst Walter Mayr (5 July 1904, Kempten, Germany â "3 February 2005, Bedford, Massachusetts U.S.), was one of the 20th century's leading evolutionary biologists.