Short answers, pulled from the story.
Aleksey Konstantinovich Tolstoy was born in Saint Petersburg to the famed family of Tolstoy. His mother Anna moved with him to her Blistava estate in Chernigov Governorate after divorcing his father Count Konstantin Petrovich Tolstoy in October 1817.
Aleksey Konstantinovich Tolstoy joined the Imperial infantry regiment as an army major in March 1855. He became one of the casualties in February 1856 while stationed in Odessa before being nursed back to health by Sophia Miller.
In the early 1850s, Aleksey Konstantinovich Tolstoy collaborated with the Zhemchuzhnikov brothers to create the fictional writer Kozma Prutkov. This petty bureaucrat parodied the poetry of the day and debuted with The Fantasy on the 8th of January in the Alexandrinsky Theatre.
Aleksey Konstantinovich Tolstoy wrote a trilogy of historical dramas including The Death of Ivan the Terrible published in 1866, Tsar Fyodor Ioannovich appearing in 1868, and Tsar Boris published in 1870. His fifth play Posadnik was partially published in 1874 and completed in Vestnik Evropy in 1876 after his death.
Aleksey Konstantinovich Tolstoy debuted with The Vampire novella published under the pen name Krasnorogsky in May 1841. He originally wrote this story in German before it was translated into Russian by Boleslav Markevich.