Sherlock Holmes - and so much more! There will be a symposium on 15th November at Senate House, University of London on Conan Doyle and London.  London was not just the place where hansom cabs drew up outside 221B Baker Street to disgorge new problems for the great detective. It was also home to the medical district around Harley Street where Conan Doyle hired consulting rooms and vainly waited for patients, to newbuild suburbs like South Norwood where he moved…