Sergey Nepobedimy
Sergey Pavlovich Nepobedimy (; 13 September 1921 – 11 April 2014) was a Soviet designer of rocket weaponry. He was the Head and Chief Designer of the Kolomna Mechanical Engineering Design Bureau (1965-1989). Born in Ryazan, USSR, he graduated from Bauman Moscow State Technical University in 1945 and was directed to the work at "SKB-101" ("KBM", currently FSUE «KB Mashinostroyeniya») of Boris Shavyrin. He was the principal designer of: Besides, he initiated the design work on Iskander missiles, which was begun in December 1988. In 1989, after the INF Treaty that eliminated all Soviet OTRK "Oka" (though formally they  were not mentioned in the treaty), Nepobedimy stepped down as Chief Designer and retired from KBM. From 1990 until his death he worked in the Moscow Central Scientific Research Institute of Automatics and Hydraulics ad as the Chief of the scientific and technical center "REAGENT". He was the author of more than 350 scientific works, patents and one discovery. Sergey Nepobedimy died in Kolomna in April 2014 and was buried at the Federal Military Memorial Cemetery.