Eugene EisenmannBorn 19 Feb 1906; died 16 Oct 1981 at age 75.American ornithologist considered an expert on neotropical birds, centered in Panama and extending north into Middle America and south into western South America. At age 51, he retired from the legal profession to pursue his lifelong interest in Middle and South American birds on full-time basis. He was born in Panama, and returned there annually to study the rich birdlife and keep in touch his family. In 1957, he was appointed a Research Associate of the American Museum of Natural History in New York, a position he held until his death. He published only about 30 many papers, but his extensive notes on systematics, behavior, and distribution of Middle American birds remain as an invaluable resource for anyone studying the subject.