Actually, the Institute is his Institute, for he was its outstanding source of intellectual stimulation. It was Enrico who attended every seminar and with incredible brilliance critically assayed every new idea or discovery. It was Enrico who arrived first in the morning and left last at night, filling each day with his outpouring of mental and physical energy.… We may have seen his physical energy before, or his basic balance, simplicity, and sincerity in life before, but who in his lifetime has ever seen such qualities combined in one individual?