* 1891 – The Wrigley Company is founded in Chicago, Illinois.

The franchise was founded in Decatur, Illinois, in 1919, and moved to Chicago in 1921.

* 1920 – The League of Women Voters is founded in Chicago, Illinois.

Galvin Manufacturing Corporation was founded in 1928 in Chicago, Illinois and produced their first Motorola brand car radio in 1930.

* Evergreen Park, Illinois is founded.

* Augustana College is founded in Chicago, Illinois, United States by Scandinavian immigrants.

* August 1 – The Elgin Watch Company is founded in Elgin, Illinois.

* Southern Illinois University, Carbondale is founded.

* January 10 – The Tau Kappa Epsilon Fraternity is founded at Illinois Wesleyan University in Bloomington, Illinois.

* Wheaton Academy founded in West Chicago, Illinois.

He founded the Frederick Seitz Materials Research Laboratory at the University of Illinois at Urbana – Champaign and several other material research laboratories across the United States.

In the U. S., the " Small Homes Council ", since 1993 the " Building Research Council ", of the School of Architecture of the University of Illinois at Urbana-Champaign was founded in 1944 with the goal to improve the state of the art in home building, originally with an emphasis on standardization for cost reduction.

Roger Ebert founded his own film festival, Ebertfest, in his home town of Champaign, Illinois and is also a regular fixture at the Hawaii International Film Festival.

In 1899, Frank Vernon Skiff founded Jewel in Chicago, Illinois, as a door-to-door coffee delivery service.

The first European settlement in the state of Illinois was the Jesuit mission founded in 1675 by Father Jacques Marquette on the banks of the Illinois at Starved Rock.

* Leon M. Lederman, professor of physics ; Nobel laureate in physics ( 1988 ); Director Emeritus of Fermilab ; founded the Illinois Mathematics and Science Academy

In 1926, Monsanto founded and incorporated a company town named Monsanto, later renamed Sauget, Illinois.

Silverhill was founded in 1897 by Oscar Johnson, C. O. Carlson and C. A. Valentin, of Chicago, Illinois.

Originally known as Ingle Mills, it was renamed by resident Tom Carroll for unknown reasons in honor of Nauvoo, Illinois, a city founded by Mormon prophet Joseph Smith in 1839.

The town was founded in 1887 by David C. Cook, a wealthy publisher of Sunday School tracts and supplies from Elgin, Illinois, who bought the Rancho Temescal Mexican land grant from the sons of Ygnacio del Valle.

Champaign was founded in 1855, when the Illinois Central Railroad laid its rail track two miles ( 3 km ) west of downtown Urbana.

He founded the Visual Math Institute at UC Santa Cruz in 1975, at that time it was called the " Visual Mathematics Project ".

During the first year of his residence at Guy's, together with his other studies he carried on his own education in Greek, Latin, and Mathematics, and in 1838 he matriculated at the recently founded University of London.

* Hans Freudenthal ( 1905 – 1990 ), Dutch mathematician who had a profound impact on Dutch education and founded the Freudenthal Institute for Science and Mathematics Education in 1971

In 2003, the Austrian Academy of Sciences founded an Institute for Computational and Applied Mathematics and named it after Johann Radon ( see External link below ).

Chern founded the Nankai Institute for Mathematics ( NKIM ) at his alma mater Nankai in Tianjin.

The company was founded in 1998 by Daniel M. Lewin ( then a graduate student at MIT ) and MIT Applied Mathematics professor Tom Leighton.

The United Kingdom Mathematics Trust ( UKMT ) is a charity founded in 1996 to help with the education of children in mathematics within the UK.

** Akamai Foundation, a sponsor of the American Mathematics Competitions, founded by Akamai Technologies

In 1950, he founded the Mathematics Research Institute of the Hungarian Academy of Sciences, now bearing his name, and directed it until his early death.

Working at University College London from 1945 until 1951, he then returned once more to the Queen's University, Belfast where he founded the Department of Applied Mathematics and Theoretical Physics.

In the 19th and 20th centuries, the university was most famous for its school of Mathematics, founded by Carl Gustav Jacob Jacobi, and continued by his pupils Ludwig Otto Hesse, Friedrich Richelot, Johann G. Rosenhain and Philipp Ludwig von Seidel.

The various Schools within the Faculty of Engineering were founded in the following order: School of Civil Engineering ( 1955 – 56 ), School of Architecture ( 1956 – 57 ), School of Rural and Surveying Engineering ( 1962 – 63 ), School of Mechanical and Electrical Engineering ( 1972 – 73 ), School of Chemical Engineering ( 1972 – 73 ), School of Mathematics, Physics and Computational Sciences ( 1982 – 83 ) and School of Urban-Regional Planning and Development Engineering ( 2004 ).

In 1922 Prandtl, together with Richard von Mises, founded the GAMM ( the International Association of Applied Mathematics and Mechanics ).

The affiliate Agricultural Academy was founded in 1924 on the basis of the Agronomy and Forestry sections of the Faculty of Mathematics and Sciences ; in 1936 the Veterinary Academy was established in a similar fashion on the basis of the Veterinary section of the Faculty of Medicine.

After working at Cambridge ( during which he spent a year abroad at University of Chicago and Princeton as a Harkness Fellow ) and the Institut des Hautes Études Scientifiques, he founded the Mathematics Department and Mathematics Research Centre at the new University of Warwick in 1964.

Lighthill founded the Institute of Mathematics and its Applications in 1964.

) By 1974, the Science Training Center was founded in the Marawi City Campus to cater to Science and Mathematics teachers in the Marawi City and nearby Lanao provinces, as well as offer a Science High School curriculum.

In 1929 he founded the Institute of Mathematics ( Istituto di Matematica ) at the University of Milan, along with Gian Antonio Maggi and Giulio Vivanti.

In 1875 Lamb was appointed the first ( Sir Thomas ) Elder Professor of Mathematics at the newly founded University of Adelaide.

When the Atlantic Regions Mathematics League was founded, the competition was held at a single eastern site that changed from year to year:

* North Carolina School for Science and Mathematics, public two year residential secondary school in Durham, founded by former governor Terry Sanford.

Moscow School of Mathematics and Navigation was a first Russian educational institution founded by Peter the Great in 1701.