Rubuta ci gaba don wannan sakin layi - Matthew Derbyshire Mann (Yuli 12, 1845 <unk> Maris 2, 1921) wani likitan mata ne na Amurka kuma daya daga cikin likitocin da suka yi wa Shugaba William McKinley aiki bayan an harbe shi
a kan filayen baje kolin Pan American a ranar 6 ga Satumba, 1901, a Buffalo, New York, wanda ɗan adawa Leon F. Czolgosz ya yi.