# Institute of Theoretical Astronomy of the Russian Academy of Sciences

> former research institute in Saint Petersburg, Russia

**Wikidata**: [Q4201749](https://www.wikidata.org/wiki/Q4201749)  
**Source**: https://4ort.xyz/entity/institute-of-theoretical-astronomy-of-the-russian-academy-of-sciences

## Summary
The Institute of Theoretical Astronomy of the Russian Academy of Sciences was a research institute focused on astronomy, located in Saint Petersburg, Russia, and was part of the Russian Academy of Sciences. It was founded in 1919 and had multiple name changes throughout its history.

## Key Facts
- Founded in 1919 as the Computing Institute (Вычислительный институт), later renamed the Astronomical Institute and finally the Institute of Theoretical Astronomy.
- Located in Saint Petersburg, Russia.
- Part of the Academy of Sciences of the USSR and later the Russian Academy of Sciences.
- Had the short name ИТА (ITA).
- Directed by Mikhail Subbotin (1942-1964), Gleb Chebotaryov (1964-1977), and Svyatoslav Lavrov (1977-1988).
- Focus was on theoretical astronomy.
- The institute occupied a museum building in Saint Petersburg during the 1950-1970s period.

## FAQs
### Q: What was the full name of this institute at different times?
A: It was originally called the Computing Institute (1919-1943), then the Astronomical Institute (1943-1943), and finally the Institute of Theoretical Astronomy (1943-1998).

### Q: Who were the directors of the institute?
A: The directors included Mikhail Subbotin (1942-1964), Gleb Chebotaryov (1964-1977), and Svyatoslav Lavrov (1977-1988).

### Q: What was the institute's main field of research?
A: The institute focused on theoretical astronomy.

## Why It Matters
The Institute of Theoretical Astronomy played a significant role in the development of theoretical astronomy in the Soviet Union and later Russia. As a research institute within the Russian Academy of Sciences, it contributed to fundamental astronomical research, including celestial mechanics, stellar dynamics, and the study of the solar system. Its work helped advance understanding of astronomical phenomena and contributed to the broader scientific community's knowledge base. The institute's long history and multiple name changes reflect its evolution alongside the political and scientific landscape of the Soviet Union and subsequent Russian Federation.

## Notable For
- Multiple name changes throughout its history, including the Computing Institute, Astronomical Institute, and Institute of Theoretical Astronomy.
- Directors who were prominent mathematicians and computer scientists, such as Svyatoslav Lavrov.
- Long-standing presence in Saint Petersburg, with its building shown in historical photographs.
- Focus on theoretical aspects of astronomy rather than observational astronomy.
- Connection to the Academy of Sciences of the USSR and later the Russian Academy of Sciences.

## Body
### History and Evolution
The Institute of Theoretical Astronomy of the Russian Academy of Sciences was established in 1919 as the Computing Institute (Вычислительный институт). It underwent several name changes throughout its history, reflecting shifts in its focus and the broader scientific environment. Initially focused on computational aspects of astronomy, it later became known as the Astronomical Institute before adopting its final name as the Institute of Theoretical Astronomy in 1943.

### Leadership and Directors
The institute was led by several prominent scientists throughout its existence. Mikhail Subbotin served as director from 1942 to 1964, followed by Gleb Chebotaryov from 1964 to 1977. The third director was Svyatoslav Lavrov, a mathematician and computer scientist who led the institute from 1977 until 1988. Each director brought different scientific perspectives and contributed to the institute's research focus.

### Location and Infrastructure
The institute was located in Saint Petersburg, Russia. It occupied a museum building during the 1950-1970s period, as indicated by the historical photograph showing the building's architecture. The institute's coordinates are approximately 59.94924444 latitude and 30.34499167 longitude.

### Affiliations and Classification
The institute was part of the Academy of Sciences of the USSR and later the Russian Academy of Sciences. It was classified as a research institute whose primary purpose was astronomical research. The institute's short name was ИТА (ITA), which appears to be an abbreviation for its Russian name.

### Research Focus
Throughout its history, the institute focused on theoretical aspects of astronomy. This included celestial mechanics, stellar dynamics, and the study of the solar system. The research conducted at the institute contributed to the broader understanding of astronomical phenomena and helped advance the field of theoretical astronomy in the Soviet Union and later Russia.

## References

1. Virtual International Authority File
2. Q137732450
3. Q137170397
4. Q136351785
5. Source
6. National Library of Israel Names and Subjects Authority File