 Clarence King called Cotter "our man-of-all-work, to whom science already owes its debts".and described him as "Stout of limb, stronger yet in heart, of iron endurance, and a quiet unexcited temperament, and better yet, devoted to me, I felt that Cotter was the one comrade I would choose to face death with, for I believed there was in his manhood no room for fear or shirk.