The foreman of the grand jury is the presiding officer of that body; he is authorized to swear the witnesses who appear before them, and on the finding of an indictment shall indorse on the back of it, "a true bill," and sign his name as foreman on the back of the indictment, and also note thereon the names of all the witnesses upon whose testimony the indictment is found. The matter of indorsing the indictment a true bill is indispensable,12 but it is immaterial on what part of the indictment the foreman's name appears.13 The failure of the foreman to write his name on the indictment by his official character as foreman will not render the indictment defective; his name merely is sufficient, for the reason that the record shows he is foreman.14 It is also indispensable that the names of the witnesses upon whose testimony the indictment was found shall be indorsed on the indictment.15