The Adventure of the Gloria Scott

"The Adventure of the Gloria Scott" which is a part of "The Memoirs of Sherlock Holmes" sends us back to the very first case of Sherlock Holmes.
While Holmes was still a student, he visited an old friend of his, named Trevor. Holmes stayed for a while in Trevor’s house but eventually had to return to London. However before he took home, he got to meet one of Trevor’s mysterious and strange friends, Hudson. Two months later Trevor died.
What happened? Did Hudson have something to do with Trevor’s death? How did Hudson and Trevor meet and what was their past?
Sir Arthur Conan Doyle (1859-1930) was born in Scotland and studied medicine at the University of Edinburgh. After his studies, he worked as a ship’s surgeon on various boats. During the Second Boer War, he was an army doctor in South Africa. When he came back to the United Kingdom, he opened his own practice and started writing crime books. He is best known for his thrilling stories about the adventures of Sherlock Holmes. He published four novels and more than 50 short-stories starring the detective and Dr Watson, and they play an important role in the history of crime fiction. Other than the Sherlock Holmes series, Doyle wrote around thirty more books, in genres such as science-fiction, fantasy, historical novels, but also poetry, plays, and non-fiction.