In "A Scandal in Bohemia" & other early stories, Sir Arthur Conan Doyle gave this physician a wife, Mary Morstan
The adventure begins properly when Holmes, Watson and Miss 
Morstan ... at short story writing, A Scandal in Bohemia and The Red-Headed 
League,... [DOC] [TLE] The Shout-Outs and Easter Eggs You Missed in Sherlock: 'The Sign ... [PAR] Jan 27, 2014 ... Set during the wedding of John Watson and Mary Morstan, it takes place ... to the 
work of Sir Arthur Conan Doyle -- especially his Sherlock story "The Sign of Four."