Boris Uladzimiravich Kit ( be, Бары́с Уладзіміравіч Кіт, russian: Бори́с Влади́мирович Кит; April 6, 1910 – February 1, 2018) was a
Belarusian-American rocket scientist.
Biography
Kit was born on April 6, 1910 in
Saint Petersburg,
Russian Empire to the family of an employee at the
Post and
Telegraph Department of
Belarusian
Belarusian may refer to:
* Something of, or related to Belarus
* Belarusians, people from Belarus, or of Belarusian descent
* A citizen of Belarus, see Demographics of Belarus
* Belarusian language
* Belarusian culture
* Belarusian cuisine
* Byelor ...
origin. His true surname is Kita. In 1918 Kit's family moved to their native village of Aharodniki, now the town of
Karelichy
Karelichy ( be, Карэлічы, Kareličy; russian: Коре́личи, ; lt, Koreličiai; pl, Korelicze; yi, קארעליץ, ''Korelitz'') is a town in the Grodno Region of Belarus and the administrative centre of Karelichy District.
The ...
,
Hrodna Voblast. In 1921 this area became a part of the
Second Polish Republic
The Second Polish Republic, at the time officially known as the Republic of Poland, was a country in Central Europe, Central and Eastern Europe that existed between 1918 and 1939. The state was established on 6 November 1918, before the end of ...
.
After graduation from the
Navahrudak Belarusian Lyceum in 1928, Kit entered the
physics and
mathematics
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...
faculty of
Vilnius University. After graduation in 1933 he worked as a teacher at the
Belarusian Gymnasium of Vilnia
The Belarusian Gymnasium of Vilnia ( be, Віленская беларуская гімназія) was an important Belarusian school in Vilnius. Many notable Belarusian cultural figures of the 20th century graduated from the school.
History
The ...
in
Vilnius. In 1939 he was appointed its Principal. After
World War II had begun and the
Vilnius Region had been handed over to
Lithuania
Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...
, Kit returned to his native region which had been joined to the
Byelorussian SSR
The Byelorussian Soviet Socialist Republic (BSSR, or Byelorussian SSR; be, Беларуская Савецкая Сацыялістычная Рэспубліка, Bielaruskaja Savieckaja Sacyjalistyčnaja Respublika; russian: Белор� ...
. He was the Principal of
Navahrudak Belarusian High School there and later a superintendent of a large school system district. Hundreds of elementary schools and several dozen high schools were opened in the region within a year due to Kit's direct participation.
Kit worked as a teacher in the village of Lebedzeva near
Maladzyechna
Maladzyechna ( be, Маладзе́чна, Maladziečna, ; russian: Молоде́чно, Molodechno; pl, Mołodeczno) is a city in the Minsk Region of Belarus, an administrative centre of the Maladzyechna District (and formerly of the Maladz ...
and later as a director of the
Pastavy Teachers College during the
Nazi occupation of Belarus
German invasion of the Soviet Union on 22 June 1941 led to the military occupation of Byelorussia until August 1944 with the Soviet Operation Bagration. The western parts of Byelorussia became part of the Reichskommissariat Ostland in 1941, and ...
. He was suspected of having
partisan
Partisan may refer to:
Military
* Partisan (weapon), a pole weapon
* Partisan (military), paramilitary forces engaged behind the front line
Films
* ''Partisan'' (film), a 2015 Australian film
* ''Hell River'', a 1974 Yugoslavian film also know ...
connections and was arrested by the
German SD punitive bodies. He spent a month in prison and was saved from execution by his former pupils.
In 1944, Kit and his family, with the retreating German army moved to Germany, first to
Opfenbach near
Lindau in
Bavaria, then to
Munich. In 1948 Kit emigrated to the
United States. In 1950 he settled in
Los Angeles and worked there as a chemist in various companies.
In the mid-1950s Kit began his scientific activities in the field of
astronautics. He worked for 25 years in the American
space research program. As a mathematician and systems analyst, he took part in projects aimed at the development of
intercontinental missile systems. Kit took part in multiple American
space research projects, including the development of the mathematical apparatus behind the
mission to the Moon. In 1972 Kit moved to
Frankfurt-am-Main
Frankfurt, officially Frankfurt am Main (; Hessian dialects, Hessian: , "Franks, Frank ford (crossing), ford on the Main (river), Main"), is the most populous city in the States of Germany, German state of Hesse. Its 791,000 inhabitants as o ...
in Germany and decided to pursue a career in Europe. He began teaching mathematics at the European College of the University of Maryland at Heidelberg in 1973, where he started a thesis on the work of mathematician and professor at Vilnius University
Antoni Zygmund.

Despite his emigration, Kit stayed a conscious Belarusian through all his life: "Everything I did in my life —- I did for my homeland and its fame". He lived out his final years in a Jewish nursing home and celebrated his 107th birthday in 2017. He died on February 1, 2018.
[Barys Kit's obituary](_blank)
Scientific achievements
Kit is the author of the first manual on
rocket propellant
Rocket propellant is the reaction mass of a rocket. This reaction mass is ejected at the highest achievable velocity from a rocket engine
A rocket engine uses stored rocket propellants as the reaction mass for forming a high-speed propuls ...
"Rocket Propellant Handbook", published by
McMillan in 1960.
[Kit, Boris and Evered, Douglas S., Rocket Propellant Handbook, 1st ed., The Macmillan Company, New York, 1960.] The book received many positive reviews and is referenced in rocket science publications even today. In 1982 Kit earned a
Ph.D. in
mathematics
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...
and
science history from the University of
Regensburg
Regensburg or is a city in eastern Bavaria, at the confluence of the Danube, Naab and Regen rivers. It is capital of the Upper Palatinate subregion of the state in the south of Germany. With more than 150,000 inhabitants, Regensburg is the f ...
.
Kit was a long-standing member of the
American Institute of Aeronautics and Astronautics, an honorary member of the
Hermann Oberth
Hermann Julius Oberth (; 25 June 1894 – 28 December 1989) was an Austro-Hungarian-born German physicist and engineer. He is considered one of the founding fathers of rocketry and astronautics, along with Robert Esnault-Pelterie, Konstantin Ts ...
German Astronautics Society Board of Directors
A board of directors (commonly referred simply as the board) is an executive committee that jointly supervises the activities of an organization, which can be either a for-profit or a nonprofit organization such as a business, nonprofit organiz ...
, a member of the International Astronautics Academy in
Paris, Vice-President of the
Eurasian International Astronautics Academy,
Professor Emeritus of
Maryland University, Honorary Doctorate of Science of
Hrodna State University, and
Navahrudak's honorable resident.
Publications
* ''Boris Kit, Douglas S. Evered''. Rocket Propellant Handbook. The Macmillan Company, 1960.
References
External links
Barys Kit 100 years anniversaryan interview with Barys Kit (in Belarusian)
another interview by young Belarusians (in Belarusian)
{{DEFAULTSORT:Kit, Barys
1910 births
2018 deaths
Scientists from Saint Petersburg
People from Sankt-Peterburgsky Uyezd
People from South River, New Jersey
Soviet expatriates in Germany
Soviet emigrants to the United States
American people of Belarusian descent
Belarusian physicists
Belarusian centenarians
Men centenarians
American centenarians
Vilnius University alumni