Thomas Jonathan Burrill (April 25, 1839 – April 14, 1916) was an American

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

plant pathologist Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungus, fung ...

, and

college administrator Academic administration is a branch of university or college employees responsible for the maintenance and supervision of the institution and separate from the faculty or academics, although some personnel may have joint responsibilities. Some t ...

who first discovered

bacterial Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...

causes for plant disease. He introduced ''

Erwinia amylovora Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae. It is a serious concern to apple and pear producers. Under optimal conditions, it can destroy an entire orchard ...

'' (called by him ''Micrococcus amylovorus'') as the causal agent of pear fire blight. Born in

Pittsfield, Massachusetts Pittsfield is the largest city and the county seat of Berkshire County, Massachusetts, United States. It is the principal city of the Pittsfield, Massachusetts Metropolitan Statistical Area which encompasses all of Berkshire County. Pittsfield� ...

, he moved with his family at age 9 to a farm in

Stephenson County, Illinois Stephenson County is a county located in the U.S. state of Illinois. According to the 2010 United States Census, it had a population of 47,711. Its county seat is Freeport. Stephenson County is included in the Freeport, IL Micropolitan Statis ...

. Burrill graduated

Illinois State Normal University Illinois State University (ISU) is a public university in Normal, Illinois. Founded in 1857 as Illinois State Normal University, it is the oldest public university in Illinois. The university emphasizes teaching and is recognized as one of th ...

in 1865. He then worked for two years as superintendent of the

Urbana __NOTOC__ Urbana can refer to: Places Italy *Urbana, Italy United States *Urbana, Illinois **Urbana (conference), a Christian conference formerly held in Urbana, Illinois *Urbana, Indiana * Urbana, Iowa *Urbana, Kansas * Urbana, Maryland *Urbana, ...

public schools. In 1867, he was selected by

John Wesley Powell John Wesley Powell (March 24, 1834 – September 23, 1902) was an American geologist, U.S. Army soldier, explorer of the American West, professor at Illinois Wesleyan University, and director of major scientific and cultural institutions. He ...

to be the botanist for an expedition to the

Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

. After the Colorado expedition, Burrill began teaching algebra as an assistant professor in 1869. He soon switched to teaching botany and by 1870 was promoted to professor. In 1868, he was elected professor of botany and horticulture at

University of Illinois The University of Illinois Urbana-Champaign (U of I, Illinois, University of Illinois, or UIUC) is a public land-grant research university in Illinois in the twin cities of Champaign and Urbana. It is the flagship institution of the University ...

and remained there the rest of his career, eventually serving as Vice President in 1882. Burrill served as acting regent of the University of Illinois from 1891 until 1894.

References

External links

Thomas J. Burrill Papers, 1901-1905;1909-1910Correspondence, 1892, 1894
1839 births 1916 deaths American botanists American phytopathologists Illinois State University alumni Leaders of the University of Illinois People from Pittsfield, Massachusetts {{US-botanist-stub