Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake: Passage: Sir David Ferrier FRS (13 Janairu 1843 <unk> 19 Maris 1928) ya kasance masanin ilimin likitancin Scottish da masanin ilimin psychologist. Tambaya: Yaushe ne Sir David Ferrier ya mutu?
19 ga watan Maris na shekarar 1928