Complete the sentences with the derivatives of the given words

Leonid Mikhailovich Roshal, a well-known  [ ]doctor, was born in 1933, in the town of Livny (Oryol Region). His father was a military pilot. There were no  [ ] people in the family, but Leonid had wanted to become a doctor since his early  [ ]. In order to get  [ ][ ], he entered Moscow State Medical Institute. His  [ ] was in 1957 and since then he has been working as a pediatrician. Roshal dedicated twenty years of his professional life to Research Clinical Institute. Leonid Roshal is the author of over 200  [ ]  papers and seven books. His  [ ] is accepted in the World  [ ] for Disaster and Emergency Medicine (WADEM). In 1996 mass media  [ ] doctor Roshal "Child Doctor of the World". When a tragedyhappened during the "Nord-Ost"  [ ], Leonid Roshal was the one who managed to enter the   [ ] occupied by  [ ], and took eight children out of the music hall. Courage and total  [ ] of Leonid Roshal, which he showed during those days, did not remain  [ ]. In November 2002, the doctor got the "Hero of Nation" prize.