In addition to the title character of The Bear and the wife of the titular Ivanov, this author also created the army officers Tuzenbakh and Vershinin in a play about Olga, Masha, and Irina.  
One character created by this author notes that he has "refused twelve women, nine have refused [him]", and he hasn't been in love in five years. Another character, born Sarah Abramson, dies of tuberculosis, but her husband is accused of murdering her anyway.  In addition to the title character of The Bear and the wife of the titular Ivanov, this author also created the army officers Tuzenbakh and Vershinin in a play about Olga, Masha, and Irina.  For 10 points, name this author of Three Sisters who also created Boris Trigorin and Konstantin Treplyov in The Seagull.
One character created by this author notes that he has "refused twelve women, nine have refused [him]", and he hasn't been in love in five years.
Anton Pavlovich {Chekhov}