James E. Homans, editor, The Cyclopædia of American Biography… (1918)
“ Pearson's untiring energy and impartial appreciation, to his tremendous grasp of principles and mastery of details, to his wonderful memory and vivid imagination, to his versatility, his kindly disposition and his faith in others were due the immediate source of his successes, the unswerving loyalty and devotion without which it would have been impossible for any man to have conducted in such great and widely scattered enterprises. ”
