...ed with the spine, and was well known for his experiments in physiology and his lectures before medical bodies. Sumner had had in mind a consultation with some eminent French physician, like Louis, Trousseau , or Velpeau; but now, with the sanction of Dr. George Hayward of Boston, then in Paris, he had recourse to Dr. Brown-Sequard, who concurred with Dr. Hayward in the opinion that the curative influence...