# Boris Borisovich Yegorov

> Soviet cosmonaut (1937–1994)

**Wikidata**: [Q352137](https://www.wikidata.org/wiki/Q352137)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Boris_Yegorov)  
**Source**: https://4ort.xyz/entity/boris-borisovich-yegorov

## Summary

Boris Borisovich Yegorov (1937–1994) was a Soviet cosmonaut and physician who became one of the first people to conduct medical experiments in space. He is best known for his participation in the Voskhod 1 mission in 1964, making him the first physician to fly in space and observe the effects of spaceflight on the human body. His dual training as a medical doctor and his role as a "science astronaut" represented a significant milestone in space exploration, demonstrating the importance of medical expertise in understanding human adaptation to the space environment.

## Biography

- **Born:** November 26, 1937
- **Died:** September 12, 1994
- **Nationality:** Soviet Union (1937–1994)
- **Education:** Graduated from I.M. Sechenov First Moscow State Medical University (founded 1758), one of Russia's oldest and most prestigious medical institutions located in Moscow
- **Known for:** First physician to conduct medical experiments in space; participant in Voskhod 1, the first multi-person Soviet spaceflight
- **Employer(s):** Soviet space program; Soviet Air Force
- **Field(s):** Space medicine, aerospace medicine, cosmonautics

## Contributions

Boris Yegorov's primary contribution to space exploration was his role as the physician aboard the Voskhod 1 mission, which launched on October 12, 1964. This mission was groundbreaking as it represented the first multi-person crewed spaceflight in history, with Yegorov joining commander Vladimir Komarov and pilot Boris Volynov. As a physician-scientist, Yegorov was responsible for monitoring the physiological effects of spaceflight on the crew, including recording cardiovascular data, measuring blood pressure, and documenting how the human body responded to weightlessness. His observations provided some of the earliest scientific data on human adaptation to the space environment, establishing foundational knowledge for future long-duration missions. The Voskhod 1 mission also tested the feasibility of having a physician on board spacecraft, validating the concept of medical oversight in space exploration.

## FAQs

**What was Boris Yegorov's profession?**
Boris Yegorov was a Soviet cosmonaut and physician, specifically trained as a "science astronaut" to conduct medical research in space.

**What mission did Boris Yegorov fly on?**
He flew on Voskhod 1, which launched on October 12, 1964. This was the first multi-person crewed Soviet space mission.

**Why was Yegorov's flight significant?**
He became the first physician to fly in space and conduct medical experiments on himself and his crewmates, pioneering the field of space medicine.

**Where did Boris Yegorov receive his medical education?**
He graduated from I.M. Sechenov First Moscow State Medical University in Moscow, founded in 1758.

**What awards did Boris Yegorov receive?**
He received numerous Soviet honors including Hero of the Soviet Union, Order of Lenin, Order of the Red Banner of Labour, Pilot-Cosmonaut of the USSR, and various jubilee medals. He also received international recognition including Hero of Labour (Vietnam) and the Order of the Flag of the People's Republic of Hungary.

**Is there anything named after Boris Yegorov?**
Yes, asteroid 8450 Egorov (sitelink_count: 21) was named in his honor.

## Why They Matter

Boris Yegorov's significance lies in his pioneering role as the first physician in space, which established the critical importance of medical expertise in human spaceflight. His work during the Voskhod 1 mission demonstrated that doctors could serve as active crew members rather than just observers, a concept that influenced subsequent space programs and the selection of physician-astronauts for missions. The medical data he collected during his flight contributed to our understanding of how the human cardiovascular system, blood pressure, and general physiology behave in microgravity, providing foundational knowledge that would later inform longer missions and eventual space station operations. Yegorov's career represented a key intersection between medicine and aerospace engineering, helping to establish space medicine as a legitimate scientific discipline. His example influenced the training of future physician-astronauts and demonstrated that multi-disciplinary professionals were essential for the advancement of human space exploration.

## Notable For

- First physician to fly in space and conduct medical experiments aboard a spacecraft
- Participant in Voskhod 1, the first multi-person crewed spaceflight (October 12, 1964)
- Awarded Hero of the Soviet Union, the highest title of the USSR
- Received Pilot-Cosmonaut of the USSR title, a distinguished Soviet honor
- Named after asteroid 8450 Egorov
- Graduated from I.M. Sechenov First Moscow State Medical University, one of Russia's oldest medical institutions (founded 1758)
- Received the Order of Lenin, the highest decoration awarded by the Soviet Union
- Recognized internationally with awards from Vietnam (Hero of Labour) and Hungary (Order of the Flag of the People's Republic of Hungary)

## Body

### Early Life and Education

Boris Borisovich Yegorov was born on November 26, 1937, in the Soviet Union. He pursued higher medical education at the I.M. Sechenov First Moscow State Medical University, one of Russia's oldest and most prestigious medical institutions, originally founded in 1758 and named after the renowned Russian physiologist Ivan Sechenov. The university, located in Moscow at coordinates 55.72805556 latitude and 37.575 longitude, operated under the Russian Federation's healthcare system and was affiliated with the Ministry of Healthcare of the Russian Federation. Yegorov's medical training provided him with the expertise necessary to understand human physiology in extreme environments, a skillset that would prove invaluable for his future role in space exploration.

### Career in the Soviet Space Program

Yegorov's career as a cosmonaut was uniquely positioned at the intersection of medicine and aerospace. He was selected as a cosmonaut specifically because of his medical background, representing a new category of "science astronaut" whose primary role was to conduct scientific experiments rather than merely pilot the spacecraft. This approach reflected the Soviet program's interest in understanding the medical implications of spaceflight and ensuring the health and safety of future crew members. The Voskhod program itself was designed to advance human spaceflight capabilities beyond the single-pilot Vostok missions, and Yegorov's inclusion as the physician aboard Voskhod 1 demonstrated the program's commitment to scientific research during crewed missions.

### The Voskhod 1 Mission

On October 12, 1964, Yegorov flew aboard Voskhod 1 alongside commander Vladimir Komarov and pilot Boris Volynov. This mission was historic as the first multi-person crewed spaceflight, with three cosmonauts aboard a single spacecraft. As the mission physician, Yegorov was responsible for monitoring the physiological responses of all crew members throughout the flight. He conducted experiments to study how the human body adapted to weightlessness, measuring cardiovascular function, blood pressure variations, and other vital signs. These observations provided some of the earliest scientific data on human physiology in space, establishing baseline knowledge that would inform subsequent missions and longer-duration spaceflight. The success of the mission validated the concept of including physicians on crewed space missions, a practice that would continue in later programs including the Apollo missions and space shuttle program.

### Awards and Recognition

Throughout his career, Boris Yegorov received numerous awards recognizing his contributions to Soviet space exploration and medicine. His most prestigious honors included Hero of the Soviet Union, the highest title awarded to Soviet citizens for heroic acts, and the Order of Lenin, the highest decoration bestowed by the Soviet Union. He also received the title Pilot-Cosmonaut of the USSR, an honorific title established in 1961 to recognize outstanding achievement in spaceflight. His award portfolio included the Order of the Red Banner of Labour, Medal "Veteran of the Armed Forces of the USSR," Medal "For the Development of Virgin Lands," and multiple jubilee medals commemorating military anniversaries and historical events. Internationally, he was awarded the Hero of Labour honor from Vietnam and the Order of the Flag of the People's Republic of Hungary, reflecting his recognition beyond the Soviet Union.

### Legacy and Influence

Boris Yegorov's legacy extends beyond his individual achievements to influence the broader field of space medicine. His successful flight demonstrated that physicians could function effectively as active crew members in space, a concept that became standard practice in subsequent human spaceflight programs. The medical data he collected contributed to our understanding of how the human body responds to microgravity, influencing the design of life support systems, exercise protocols, and medical protocols for later missions including those to space stations. His career path also inspired the integration of medical professionals into astronaut crews, a practice that continues today aboard the International Space Station and in plans for future deep space missions. The naming of asteroid 8450 Egorov in his honor further commemorates his contributions to science and exploration.

### Personal Life and Later Years

Boris Yegorov lived his life dedicated to the advancement of space medicine and human spaceflight. He passed away on September 12, 1994, leaving behind a legacy as a pioneer in the field of aerospace medicine. His work during the Voskhod 1 mission remains a landmark achievement in the history of human space exploration, representing the successful integration of medical science into crewed spaceflight operations.

## References

1. Great Soviet Encyclopedia (1969–1978)
2. Virtual International Authority File
3. [Source](http://www.spacefacts.de/english/e_first.htm)
4. Integrated Authority File
5. Encyclopædia Britannica Online
6. Find a Grave
7. filmportal.de
8. Freebase Data Dumps. 2013