Anatoliy Davidovich Daron (26 April 1926 – 24 June 2020) was a Russian rocket engineer and scientist, who created the engines for the rockets that delivered the first satellite and the first Soviet cosmonaut,

Yuri Gagarin Yuri Alekseyevich Gagarin; Gagarin's first name is sometimes transliterated as ''Yuriy'', ''Youri'', or ''Yury''. (9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut who became the first human to journey into outer space. Tr ...

, into space. Daron made a significant contribution to the development of the first experimental chambers KS-50 and ED-140. He was a leading designer in the development of the

RD-107 The RD-107 and its sibling, the RD-108, are a type of rocket engine initially used to launch R-7 Semyorka missiles. RD-107 engines were later used on space launch vehicles based on the R-7. , very similar RD-107A and RD-108A engines are used to la ...

and RD-108 liquid-propellant rocket engines for the R-7 rocket family, as well as the RD-270 for the

UR-700 The Universal Rocket or ''UR'' family of missiles and carrier rockets is a Russian, previously Soviet rocket family. Intended to allow the same technology to be used in all Soviet rockets, the UR is produced by the Khrunichev State Research and Pr ...

launch vehicle.

Biography

Daron was born in

Odesa Odesa (also spelled Odessa) is the third most populous city and municipality in Ukraine and a major seaport and transport hub located in the south-west of the country, on the northwestern shore of the Black Sea. The city is also the administrative ...

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...

to a Jewish family. When he was 12, his family fled

Kislovodsk Kislovodsk (russian: Кислово́дск, lit. ''sour waters''; ; krc, Ачысуу) is a spa city in Stavropol Krai, Russia, in the North Caucasus region of Russia which is located between the Black and Caspian Seas. Population: History I ...

during World War II to escape the advance of the

Romanian Army The Romanian Land Forces ( ro, Forțele Terestre Române) is the army of Romania, and the main component of the Romanian Armed Forces. In recent years, full professionalisation and a major equipment overhaul have transformed the nature of the Lan ...

. In 1948, Daron graduated from the

Moscow Aviation Institute Moscow Aviation Institute (National Research University) (MAI; russian: Московский авиационный институт, МАИ) is one of the major engineering institutes in Moscow, Russia. Since its inception MAI has been spearhe ...

, specializing in

liquid propellant A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. As such, it is one of the four fundamental states of matter (the others being solid, gas, an ...

for rockets. He became the lead engineer of the liquid propellant rocket engines of the Experimental Design Bureau No. 456 ( OKB-456). He developed the RD-107 and RD-108 for the R-7, providing the Soviet Union with

ICBM An intercontinental ballistic missile (ICBM) is a ballistic missile with a range greater than , primarily designed for nuclear weapons delivery (delivering one or more thermonuclear warheads). Conventional, chemical, and biological weapons c ...

capability. Daron's engines were also used for the

Sputnik Sputnik 1 (; see § Etymology) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for t ...

rocket and for all Soviet Union piloted spacecraft; Vostok, Voskhod, and

Soyuz Soyuz is a transliteration of the Cyrillic text Союз (Russian and Ukrainian, 'Union'). It can refer to any union, such as a trade union (''profsoyuz'') or the Union of Soviet Socialist Republics (Сою́з Сове́тских Социалис� ...

. In 1957, he was also part of the Soviet nuclear program. In 1998, the

Russian Federation Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

permitted Daron to go to the United States for

heart surgery Cardiac surgery, or cardiovascular surgery, is surgery on the heart or great vessels performed by cardiac surgeons. It is often used to treat complications of ischemic heart disease (for example, with coronary artery bypass grafting); to corr ...

. He stayed there for the rest of his life.

References

{{DEFAULTSORT:Daron, Anatoliy 20th-century Russian engineers Rocket scientists 1926 births 2020 deaths People from Odesa