where did dmitri mendeleev teach?
Saint Petersburg State Institute of Technology
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 = = = Mentored by Balakirev ; time with The Five = = = 

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 In the autumn of 1885 , the twelve @-@ year @-@ old Rachmaninoff entered the home of Nikolai Zverev to receive private piano instruction and at the end of May 1886 , Zverev took his students to Crimea , where Rachmaninoff continued his studies , hoping to gain entrance to Anton Arensky 's harmony class at the Moscow Conservatory . It was during this time that Rachmaninoff created his first composition , a two @-@ page Étude in F @-@ sharp major ( the manuscript is now lost ) . After admission to the class , he produced more exercises , the earliest of which is a Lento in D minor ; it is the only surviving piece of ten he is said to have composed . 

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 Once Tchaikovsky graduated in 1865 , Rubinstein 's brother Nikolai offered him the post of Professor of Music Theory at the soon @-@ to @-@ open Moscow Conservatory . While the salary for his professorship was only 50 rubles a month , the offer itself boosted Tchaikovsky 's morale and he accepted the post eagerly . He was further heartened by news of the first public performance of one of his works , his Characteristic Dances , conducted by Johann Strauss II at a concert in Pavlovsk Park on 11 September 1865 ( Tchaikovsky later included this work , re @-@ titled , Dances of the Hay Maidens , in his opera The Voyevoda ) . 

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 Bukovsky moved to Great Britain where he settled in Cambridge and resumed his studies in biology , disrupted fifteen years earlier ( see above ) by his expulsion from Moscow University . 

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 In 1844 , the family hired Fanny Dürbach , a 22 @-@ year @-@ old French governess . Four @-@ and @-@ a @-@ half @-@ year @-@ old Tchaikovsky was initially thought too young to study alongside his older brother Nikolai and a niece of the family . His insistence convinced Dürbach otherwise . By the age of six , he had become fluent in French and German . Tchaikovsky also became attached to the young woman ; her affection for him was reportedly a counter to his mother 's coldness and emotional distance from him , though others assert that the mother doted on her son . Dürbach saved much of Tchaikovsky 's work from this period , which includes his earliest known compositions , and became a source of several childhood anecdotes . 
