Jindřich Forejt

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Jindřich Forejt
Born(1915-02-03)3 February 1915
Prague, Austria-Hungary
Died18 July 1991(1991-07-18) (aged 76)
Prague, Czechoslovakia
Alma materCharles University in Prague
Known forWork in Electronics, Invention of a polaroscope, Contributions to medical electronics
AwardsJ. Heyrovský Silver Medal for Merit in Chemical Sciences (1972), Felber Medal II. degree (1975), Czech Technical University Medal I. degree (1980)
Scientific career
FieldsPhysics, Electronics
InstitutionsPhilips, Czech Technical University, Charles University
ThesisPhysical basics of impulse polarography (1949)
Doctoral advisorJaroslav Heyrovský
Dionýz Ilkovič

Jindřich Forejt (3 February 1915 – 18 July 1991) was a Czech physicist and electronics expert, known for his contributions in the field of applied and theoretical electronics. He was also a close collaborator of Jaroslav Heyrovský.


Born in Prague, Forejt graduated from a state high school in Prague in 1933. From 1933 to 1938, he studied Mathematics and Physics at the Faculty of Science, Charles University, where he also worked at the Spectroscopic Institute as a scientific assistant for physical research of Škoda Works from 1936 to 1938. In 1949, he defended his dissertation on the "Physical Basics of Impulse Polarography".[1][2]


Forejt held various positions throughout his career, ranging from technical official at the company Philips in Prague during World War II, to leading the electronics department in a heavy machinery development factory in Prague from 1948 to 1953. From 1950, he lectured on applied electronics as an external lecturer at the Faculty of Electrical Engineering of the Czech Technical University in Prague.[3]

In 1953, Forejt was appointed by the Ministry of Education and Culture to the newly established Faculty of Low Current Electrical Engineering at the Czech Technical University in Poděbrady. From 1953 to 1959, he served as Dean of the faculty until it merged with the Faculty of Electrical Engineering of CTU. He was appointed Professor of Electronics in 1964 and began lecturing in medical electronics, and introduced the subject of electrical measurement of non-electrical quantities (alometry) at the Faculty of Electrical Engineering of the Czech Technical University in Prague. Forejt was also involved in setting up the CTU Development Laboratories in Poděbrady, which he led from 1966 to 1968. He retired in 1980.[3][2]

Forejt was known for his work in applied and theoretical electronics, contributing to the development and construction of electronic devices for practical and scientific purposes. He co-authored the monograph "Oscillographic Polarography" with Jaroslav Heyrovský in 1953. His invention of the polaroscope was awarded a bronze medal at the world exhibition Expo '58 in Brussels.[3][4]

In the later years of his career, Forejt was among the pioneers of medical electronics (bionics) in Czechoslovakia. He was an ardent radio amateur and a member of various professional societies. He also translated professional works from Russian and English and was the author of several patents.[3]

Awards and recognition

Forejt received several awards during his career, including the J. Heyrovský Silver Medal for Merit in Chemical Sciences in 1972, the Felber Medal II. degree in 1975, and the Czech Technical University Medal I. degree in 1980.[3]


  1. "Forejt Jindřich" (in čeština). Poděbradské osudy. Retrieved 2023-07-20.
  2. 2.0 2.1 "Z historie katedry" (in čeština). Faculty of Electrical Engineering, Czech Technical University in Prague. Retrieved 2023-07-20.
  3. 3.0 3.1 3.2 3.3 3.4 "FOREJT Jindřich 3.2.1915-18.7.1991" (in čeština). Institute of History, Czech Academy of Sciences. Retrieved 2023-07-20.
  4. "Polarography". Electrochemical Science. Retrieved 2023-07-20.

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