Simplify the following text for a Grade 11 native English-speaking person.
Original: Nadezhda Yakovlevna Mandelstam ( , nÃ e Khazina ; 31 October 1899 â `` 29 December 1980 ) was a Russian writer and educator , and the wife of the poet Osip Mandelstam , who died in 1938 in a transit camp to the gulag of Siberia .
Simplified: Nadezhda Yakovlevna Mandelstam was born Nadezhda Yakovlevna Hazin in Saratov on 31 October , 1899 and died on 29 December , 1980 ) was a Russian writer and the wife of poet Osip Mandelstam .