Samuel Refetoff
1 Mins read
Samuel Refetoff was born 11 June 1937 Ruse, Bulgaria. Later he emigrated to Belgium, where he graduated from French-speaking high school in…
Ivan Mitev
1 Mins read
Professor Ivan Mitev Ivanov (Bulgarian: Иван Митев Иванов) (4 October 1924 – 15 April 2006) was a Bulgarian pediatrician and cardio rheumatologist who discovered the sixth heart tone,[1] called the tone of…
Stamen Grigorov
2 Mins read
Stamen Grigorov (Bulgarian: Стамен Григоров) (October 27, 1878 – October 27, 1945) was a prominent Bulgarian physician and microbiologist. He discovered the Lactobacillus bulgaricus bacillus, which is the true cause…
Assen Jordanoff
4 Mins read
Assen Jordanoff is also known as “Jerry” (Bulgarian: Асен Христов Йорданов) was born Asen Hristov Yordanov, September 2, 1896, in Sofia, Bulgaria…
Dimitar Ivanov Popov
1 Mins read
Dimitar Ivanov Popov (Bulgarian: Димитър Иванов Попов) (October 13, 1894 – October 25, 1975) was a Bulgarian organic chemist and an academician…
Ivan Stranski
3 Mins read
Ivan Stranski (Bulgarian: Иван Николов Странски; German: Iwan Nicolá Stranski; 2 January 1897 – 19 June 1979) was a Bulgarian physical chemist.[1][2]…
Georgi Nadjakov
1 Mins read
Georgi Nadjakov or also spelled Georgi Nadzhakov, Георги Наджаков was born in Dupnitsa, Bulgaria on 26 December 1896 and died on 24 February…
Georgi Lozanov
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Georgi Lozanov (Bulgarian: Георги Лозанов) (July 22, 1926 in Sofia, Bulgaria – May 6, 2012 in Sliven, Bulgaria), known as ‘the father…
Photoelectret state
1 Mins read
The photoelectret state is an electret produced by the removal of light from an illuminated photoconductor in an electric field.