Read a short paragraph and fill in the gaps.
While a medical student, Conan Doyle was deeply impressed by the skill of his professor, Dr. Joseph Bell, in observing
the most minute detail regarding a patient's condition. This master of diagnostic
became the model for
Conan Doyle's literary
Sherlock Holmes, who first appeared in A Study in Scarlet, a story published in
Beeton's Christmas Annual of 1887.