Isaiah Shavitt
Encyclopedia
Isaiah Shavitt was born on July 29, 1925 in Kutno
Kutno
Kutno is a town in central Poland with 48,000 inhabitants and an area of 33,6 km2. Situated in the Łódź Voivodeship , previously in Płock Voivodeship . It is the capital of Kutno County....

, Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

. He was awarded a Ph.D. at Cambridge University, in 1957. He was a professor at the Technion - Israel Institute of Technology
Technion - Israel Institute of Technology
The Technion – Israel Institute of Technology is a research-intensive institute of technology in Haifa, Israel. Originally called the Technikum, it was founded in 1912...

 in Haifa
Haifa
Haifa is the largest city in northern Israel, and the third-largest city in the country, with a population of over 268,000. Another 300,000 people live in towns directly adjacent to the city including the cities of the Krayot, as well as, Tirat Carmel, Daliyat al-Karmel and Nesher...

, Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

 from 1962 to 1967. In 1967 he moved to a senior research position at Battelle Memorial Institute
Battelle Memorial Institute
Battelle Memorial Institute is a private nonprofit applied science and technology development company headquartered in Columbus, Ohio. Battelle is a charitable trust organized as a nonprofit corporation under the laws of the State of Ohio and is exempt from taxation under Section 501 of the...

 in Columbus
Columbus, Ohio
Columbus is the capital of and the largest city in the U.S. state of Ohio. The broader metropolitan area encompasses several counties and is the third largest in Ohio behind those of Cleveland and Cincinnati. Columbus is the third largest city in the American Midwest, and the fifteenth largest city...

, Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. In 1968 he also became a part-time faculty member at the Department of Chemistry at Ohio State University
Ohio State University
The Ohio State University, commonly referred to as Ohio State, is a public research university located in Columbus, Ohio. It was originally founded in 1870 as a land-grant university and is currently the third largest university campus in the United States...

 and moved there full-time in 1981. In 1994 he retired from this position and continued part-time as an Emeritus Professor. He is now an Adjunct Professor, Department of Chemistry, University of Illinois at Urbana-Champaign
University of Illinois at Urbana-Champaign
The University of Illinois at Urbana–Champaign is a large public research-intensive university in the state of Illinois, United States. It is the flagship campus of the University of Illinois system...

, USA.

He is one of the authors of the COLUMBUS
COLUMBUS
COLUMBUS is a computational chemistry software suite for calculating ab initio molecular electronic structures, designed as a collection of individual programs communicating through files. The programs focus on extended multi-reference calculations of atomic and molecular ground and excited states...

 ab initio
Ab initio quantum chemistry methods
Ab initio quantum chemistry methods are computational chemistry methods based on quantum chemistry. The term ab initiowas first used in quantum chemistry by Robert Parr and coworkers, including David Craig in a semiempirical study on the excited states of benzene.The background is described by Parr...

 computational chemistry
Computational chemistry
Computational chemistry is a branch of chemistry that uses principles of computer science to assist in solving chemical problems. It uses the results of theoretical chemistry, incorporated into efficient computer programs, to calculate the structures and properties of molecules and solids...

 programs.

An International Conference, entitled "Molecular Quantum Mechanics: Methods and Applications" was held in memory of S. Francis Boys
S. Francis Boys
Samuel Francis Boys FRS was born in Pudsey, Yorkshire, England. He was educated at the Grammar School in Pudsey and then at Imperial College, London. He graduated in Chemistry in 1932. He did his Ph.D...

 and in honour of Isaiah Shavitt in September, 1995 at St Catharine's College, Cambridge
St Catharine's College, Cambridge
St. Catharine’s College is a constituent college of the University of Cambridge. Founded in 1473, the college is often referred to informally by the nickname "Catz".-History:...

.

He is a member of the International Academy of Quantum Molecular Science
International Academy of Quantum Molecular Science
The International Academy of Quantum Molecular Science is an international scientific learned society covering all applications of quantum theory to chemistry and chemical physics. It was created in Menton in 1967. The founding members were Raymond Daudel, Per-Olov Löwdin, Robert G. Parr, John...

.

Publications

  • The Gaussiahn Function (1963)
  • The MNethod of Configuration Interaction ((1977)
  • The Graphical Unitary Group Approach ((1981)
  • Supercomputers and Chemistry (1981)
  • The Unitary Group (1983)
  • The Treatment of Electron Correlations (1984)
  • Unitary Group Approach ((1988)

External links

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