University of Chicago alumni

Donald Clayton Bergus (February 26, 1920 South Bend, St. Joseph County, Indiana, USA – April 12, 1998) was a US career diplomat and expert on south-west Asia.
Born in 1920 in South Bend, Indiana to George and Grace Bergus, Donald then went on to study Law at the University of Chicago. In 1942, Donald was appointed to the Foreign Service, beginning his 40-year-long service, and initially sent to Baghdad.
In 1967, as the Egyptian government severed diplomatic relations with the US government, Bergus was appointed to represent his country's interests in Cairo by managing the US Interests Section from the Spanish embassy. He held that position until February 1972, when succeeded by Joseph Nathaniel Greene. In 1977-1980 he served as US Ambassador to Sudan.
Donald died in 1998 leaving behind his wife, Elizabeth R Bergus, and his three grown children.

Nicholas Monroe Smith Jr. (1914 – 2003) was a nuclear physicist and research consultant. Smith was an expert on reactor physics, a developer of operations research/computer modeling, and a computer applications consultant. He had ties to the Manhattan Project at Chicago and Oak Ridge, and worked with Samuel Allison and James Van Allen. Smith was a pioneer in the field of operations research.

Fanchon Fröhlich (née Angst; 1927 – 2016) was an American artist.

Kenneth W. Thompson (August 29, 1921 – February 2, 2013) was an American academic and author known for his contributions to normative theory in international relations. In 1978 he became director of the Miller Center of Public Affairs at the University of Virginia. He retired as director in 1998, but continued to head its Forum Program until 2004.

Arthur Hill Cash (February 4, 1922 – December 29, 2016) was an American scholar of 18th-century English literature.Cash is best known as the author of the definitive two-volume biography of Laurence Sterne, published between 1975 and 1986. He also wrote a popular biography of the 18th-century politician John Wilkes, who was influential in developing ideas concerning civil liberties in England and the United States. The book, titled John Wilkes: The Scandalous Father of Civil Liberty, was one of three finalists for the 2007 Pulitzer Prize for biography.
Cash taught university literature courses for forty-five years, including popular classes in the Bible and Greek and Roman literature. He retired from the State University of New York at New Paltz as one of a handful of faculty with the title of Distinguished Professor. Before that he taught at the University of Colorado, the University of New Mexico, and Colorado State University.
Cash was born in Gary, Indiana, and lived in or near Chicago for many years. Starting work as a stage actor, at the beginning of American involvement in the Second World War, he joined the 108th General Hospital unit. After the war, he enrolled at the University of Chicago on the G.I. Bill, and completed his graduate education at the University of Wisconsin–Madison and Columbia University.
He married Dorothy Moore Cash (later Romni Cash) and they had two children before their divorce. Their eldest son was killed in El Salvador in 1992. He married novelist Mary Gordon and they had two children together, now adults.

Neil Clark Warren (born September 18, 1934) is an American clinical psychologist, Christian theologian, seminary professor and co-founder of the online relationship sites eHarmony and Compatible Partners.
In 1995, Warren and his son-in-law, Greg Forgatch, created Neil Clark Warren & Associates, a company which offers seminars and teaching tools based on Warren's books. In early 2000, they established eHarmony, an online compatibility matching service which gained two million users in its first three years. After retiring in 2007, Warren came out of retirement in July 2012, returning as the chief executive of eHarmony.

Carl Mark Pearcy, Jr. (born August 25, 1935) is an American mathematician whose research has been concentrated on operator theory and operator algebras. He has coauthored several books, including "Introduction to Operator Theory I", Introduction to Analysis", and "Measure and integration", all published by Springer and coauthored by Arlen Brown (and Hari Bercovici in the case of Measure and integration). Pearcy had 31 Ph. D. students at Michigan and TAMU
, several of whom are outstanding mathematicians. Pearcy's bibliography contains more than 150 papers, and his research has concerned the invariant subspace problem and the theory of dual algebras.

Mary Rosamond Haas (January 23, 1910 – May 17, 1996) was an American linguist who specialized in North American Indian languages, Thai, and historical linguistics. She served as president of the Linguistic Society of America. She was elected a fellow of the American Academy of Arts and Sciences and a member of the National Academy of Sciences.

Richard E. Spear (born 1940 in Michigan City, Indiana) is an American art historian and professor who specializes in Italian Baroque painting.

John Scales Avery (May 26, 1933 – January 4, 2024) was an American theoretical chemist noted for his research publications in quantum chemistry, thermodynamics, evolution, and history of science. Since the early 1990s, Avery had been an active world peace activist. During these years, he was part of a group associated with the Pugwash Conferences on Science and World Affairs. In 1995, this group received the Nobel Peace Prize for their efforts. He was an Associate Professor in quantum chemistry at the University of Copenhagen. His 2003 book Information Theory and Evolution set forth the view that the phenomenon of life, including its origin and evolution, including human cultural evolution, has its background situated over thermodynamics, statistical mechanics, and information theory. Avery died on January 4, 2024, at the age of 90.