Traditionally , authorship of the three sections was attributed to Samuel Adams , Joseph Warren , and Benjamin Church , respectively .
Historian Richard Brown argued that solitary authorship of any section was unlikely , and that each part was probably the group effort of a committee .
Traditionally , authorship of the three sections was attributed to Samuel Adams , Joseph Warren , and Benjamin Church , respectively , but historian Richard Brown argued that solitary authorship of any section was unlikely , and that each part was probably the group effort of a committee .