Carroll, an Englishman, let themselves be bitten by mosquitos that had sucked the blood of yellow-fever patients. The experiment was but too successful. Both took the disease, Carroll recovered, but Lazear died. "Greater love hath no man than this, that a man lay down his life for his friends."
A tablet, erected to the memory of Lazear, in Johns Hopkins Hospital at Baltimore, bears this inscription, written by President Eliot of Harvard University:
"With more than the courage and the devotion of the soldier, he risked and lost his life to show how a fearful pestilence is communicated and how its ravages may be prevented."
Volunteers were called for, that further experiments might be made, and General Leonard Wood, then military governor of Cuba, offered to pay each a reward of $200. When this was explained to the first men who came forward, two young soldiers from Ohio, John R. Kissinger and John J. Moran, both refused to accept it, declaring that they had volunteered "solely in the interest of humanity and the cause of science." Major Reed, to whom this declaration was made, rose to his feet, raised his hand to his forehead as if in the presence of his superior officer and said to these humble enlisted men, "Gentlemen, I salute you." When Major Reed told of this incident, not long afterwards, he declared, "In my opinion, this exhibition of moral courage has never been surpassed in the annals of the army of the United States."
Thanks to the skill of Major Reed, none of the thirteen men who followed the splendid example of Carroll and
