And do you know who Dr Watson is? I'll tell you.
The first thing, you need to know, is that Watson dealogues on behalf of the author, or vice versa. He writes his "diary", and we learn about Sherlock's advantures from him.
Before he works with Sherlock, he was in a war. There he was a surgeon. But after the wound, Watson was depart in London, where he meet with Sherlock and they rent an apartment from Mrs Hudson.
When you will read storyes about Shelock Holmes you can think that Watson is not very important character in this books. But it isn't so!!! Watson is some engine for the mind of Sherlock. Watson helps Sherlock to solve some difficult problems. That's why sometimes Sherlock wait Watson, who went in the Club. By the way, in this interesting moment Sherlock learned without some problems where Watson was. He said:
"-My dear Holmes, but how...
- There is a delightful freshness about you, Watson, which makes it a pleasure to exercise any small powers which I possess at your expense. A gentleman goes forth on a showery and miry day. he returns immaculate in the evening with the gloss still on his hat and his boots. He has been a fixture therefore all day. He is not a man with intimate friends. Where, then, could he have been? Is it not obvious?
- Well, it is rather obvious."