He donated over 15,000 items of Holmes - related materials to the University of Minnesota in 1995 .
McDiarmid helped found the Norwegian Explorers , a group of faculty that are Sherlock Holmes fans .
McDiarmid donated over 15,000 items of Holmes - related materials to the University of Minnesota in 1995 .
McDiarmid helped found the Norwegian Explorers , a group of faculty that are Sherlock Holmes fans .