THE PHYSICAL constitution of Abraham Lincoln has perplexed his biographers and portrait sculptors and painters, as it did his personal friends, because of certain enigmatical qualities in his face and personality. More books, articles, and speeches are said to be presented yearly on Lincoln than on any man in history, and his philosophy of democratic government of the people, by the people, and for the people has become the philosophy of the democratic political organization of the United Nations, as well as the United States. It is therefore important that any new evidence on his physical constitution and neuroses that would be helpful in understanding his personality should be published.
The following discussion presents a new consideration of the evidence on his genetic and endocrine constitution, followed by new, recently discovered evidence of an accidental fracture of his skull in childhood from the kick of a horse. This fracture left