Lewis John Stadler (July 6, 1896 – May 12, 1954) was an American geneticist. His research focused on the mutagenic effects of different forms of radiation on economically important plants like
maize
Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
and
barley
Barley (''Hordeum vulgare''), a member of the grass family, is a major cereal grain grown in temperate climates globally. It was one of the first cultivated grains, particularly in Eurasia as early as 10,000 years ago. Globally 70% of barley pr ...
.
Biography
Lewis John Stadler was born in
St. Louis, Missouri
St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi River, Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the Greater St. Louis, ...
, in 1896 to Henry Louis and Josephine Ehrman Stadler.
Stadler's early education efforts were unremarkable, but two summers worked on Midwestern farms sparked an interest in agriculture. He began his undergraduate work at the
University of Missouri
The University of Missouri (Mizzou, MU, or Missouri) is a public university, public Land-grant university, land-grant research university in Columbia, Missouri. It is Missouri's largest university and the flagship of the four-campus Universit ...
and completed a B.S. in agriculture at the
University of Florida
The University of Florida (Florida or UF) is a public land-grant research university in Gainesville, Florida. It is a senior member of the State University System of Florida, traces its origins to 1853, and has operated continuously on its ...
(1917). Afterwards, he returned to the University of Missouri and earned the A.M. (1918). Post-A.M., he enrolled in the Field Artillery of the
United States Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
, although his commission as Second Lieutenant was not used in overseas duty due to the end of
World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. Stadler spent 1919 in graduate studies at
Cornell University
Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...
under Harry Houser Love and
Rollins A. Emerson.
He returned again to the University of Missouri and completed his PhD in 1922. Following graduation, he joined the University of Missouri Department of Field Crops faculty. Stadler remained at Missouri until 1954 and acted as a visiting professor at the
California Institute of Technology
The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...
(1940), and
Yale University
Yale University is a private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the third-oldest institution of higher education in the United States and among the most prestigious in the wo ...
(1950). He simultaneously held an appointment with the
U.S. Department of Agriculture
The United States Department of Agriculture (USDA) is the federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, and food. It aims to meet the needs of com ...
beginning in 1930. Stadler completed presidential terms for several academic organizations, including
Genetics Society of America
The Genetics Society of America (GSA) is a scholarly membership society of more than 5,500 genetics researchers and educators, established in 1931. The Society was formed from the reorganization of the Joint Genetics Sections of the
American Soc ...
,
American Society of Naturalists The American Society of Naturalists was founded in 1883 and is one of the oldest professional societies dedicated to the biological sciences in North America. The purpose of the Society is "to advance and diffuse knowledge of organic evolution and o ...
, and
Sigma Xi
Sigma Xi, The Scientific Research Honor Society () is a highly prestigious, non-profit honor society for scientists and engineers. Sigma Xi was founded at Cornell University by a junior faculty member and a small group of graduate students in 1886 ...
.
While Stadler spent almost his entire academic life at the
University of Missouri
The University of Missouri (Mizzou, MU, or Missouri) is a public university, public Land-grant university, land-grant research university in Columbia, Missouri. It is Missouri's largest university and the flagship of the four-campus Universit ...
he was also involved in external activities. During the 1930s Stadler participated in efforts to bring European scientists to the U.S. to escape Nazism. In 1948 Stadler was appointed a delegate to the Eighth International Congress of Genetics, which met in Stockholm. However, the
U.S. Department of Agriculture
The United States Department of Agriculture (USDA) is the federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, and food. It aims to meet the needs of com ...
rejected his passport application and conducted a loyalty investigation; Stadler initially thought it was a State Department action.
Stadler married Cornelia Field Tuckerman in 1919. They had six children: Maury, Henry, David, John, Eliot, and Joan.
Although Stadler's initial research was on field plot technique and
agronomy
Agronomy is the science and technology of producing and using plants by agriculture for food, fuel, fiber, chemicals, recreation, or land conservation. Agronomy has come to include research of plant genetics, plant physiology, meteorology, and ...
,
his main research interest became
genetics
Genetics is the study of genes, genetic variation, and heredity in organisms.Hartl D, Jones E (2005) It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian friar wor ...
, concentrated upon the study of
mutation
In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA. Mutations result from errors during DNA or viral replication, mi ...
in
corn
Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
. In 1925, he won a National Research Council Fellowship in Biology for a study in variation in linkage values in maize.
He did much work on the effects of
X-ray
An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30&nb ...
treatments, and did comparative studies of mutation caused by X-rays and by
ultraviolet rays
Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays. UV radiation i ...
. His work earned him an international reputation.
He died of
leukemia
Leukemia ( also spelled leukaemia and pronounced ) is a group of blood cancers that usually begin in the bone marrow and result in high numbers of abnormal blood cells. These blood cells are not fully developed and are called ''blasts'' or ' ...
in 1954.
In his honor, the
University of Missouri
The University of Missouri (Mizzou, MU, or Missouri) is a public university, public Land-grant university, land-grant research university in Columbia, Missouri. It is Missouri's largest university and the flagship of the four-campus Universit ...
holds the Stadler Genetics Symposium every two years.
Stadler Genetics Symposium
- University of Missouri
References
*Smocovitis, Vassiliki Betty. 2000. Stadler, Lewis John. ''American National Biography Online''
{{DEFAULTSORT:Stadler, Lewis
1896 births
1954 deaths
University of Florida College of Agricultural and Life Sciences alumni
American geneticists
University of Missouri faculty
Deaths from leukemia
Members of the United States National Academy of Sciences
Scientists from Missouri