“I might say that as exemplified by his treatment of Huffaker and the other workmen he is extremely impatient."

Herring to Chanute, 1895-05-25 & 1895-09-06, Box 1, Chanute Collection

"At best, Langley was a difficult man to work for. He was an impatient, demanding perfectionist who insisted on absolute obedience."

A Dream of Wings, Crouch, T., 1981, pp.147-148