Arthur Davis Hasler (January 5, 1908 – March 23, 2001) was an ecologist who is credited with explaining the salmon's homing instinct. ''The New York Times'': Arthur D. Hasler, 93; Deciphered Salmon's Homing Instinct
/ref>Ecological Society of America:Resolution of Respect, Arthur Hasler
/ref>National Academies Press - Biographical Memoirs, V.82
/ref> Hasler was a member of the

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...

and the American Academy of Arts and Sciences. '' The New York Times'' called him "an internationally recognized authority on freshwater ecology". He served as President of The Ecological Society of America, which called him "one of the leading figures in 20th century freshwater ecology". Hasler pioneered a research method based on manipulation of entire lake ecosystems. This method became an instrumental new tool for ecology. He published over 200 scientific papers, was an author or an editor of 7 books, and supervisor of 52 doctoral degrees.

Career

Hasler was born in

Lehi, Utah Lehi ( ) is a city in Utah County, Utah, United States. It is named after Lehi, a prophet in the Book of Mormon. The population was 75,907 at the 2020 census, up from 47,407 in 2010. The rapid growth in Lehi is due, in part, to the rapid develo ...

. He married Hanna Prusse in 1932, and they had six children: Sylvia, A. Frederick, Bruce, Galen, Mark, and Karl. He graduated from Brigham Young University in 1932. He received a doctorate in zoology from the University of Wisconsin–Madison in 1937. Hasler was an analyst with the Air Force Strategic Bombing Survey based in Germany after World War II. Hasler was a Fulbright scholar at the Max Planck Institute in Germany from 1954 to 1955. Subsequently, Hasler was on the faculty of the University of Wisconsin–Madison for 41 years and under his leadership it became a hub for lake research. In 1961 he served as President of The Ecological Society of America. He headed the Limnology Laboratory at the University of Wisconsin–Madison from 1963 to 1968. In 1969 he was elected to the

References

{{DEFAULTSORT:Hasler, Arthur D. 1908 births 2001 deaths 20th-century scientists American ecologists Brigham Young University alumni People from Lehi, Utah Scientists from Madison, Wisconsin Salmon University of Wisconsin–Madison College of Letters and Science alumni University of Wisconsin–Madison faculty Members of the United States National Academy of Sciences United States Army Air Forces officers American limnologists Scientists at University of Notre Dame Environmental Research Center