HISTORY AND BIOGRAPHY.--Of _The Life and Voyages of Christopher Columbus_ (1828), Irving said "it cost me more toil and trouble than all my other productions." While the method of scientific historical study has completely changed since his time, no dry-as-dust historian has yet equaled Irving in presenting the human side of Columbus, his ideals, his dreams, and his mastery of wind and wave and human nature in the greatest voyage of the ages. Others have written of him as a man who once lived but who died so very long ago that he now has no more life than the portraits of those old masters who made all their figures look like paralytics. Irving did not write this work as if he were imagining a romance. He searched for his facts in all the musty records which he could find in Spain, but he then remembered that they dealt with a living, enthusiastic human being, sometimes weak, and sometimes invested with more than the strength of all the generations that had died without discovering the New World. It was this work which, more than any other, brought Irving the degree of D.C.L. from Oxford University. And yet, when he appeared to take his degree, the undergraduates of Oxford voiced the judgment of posterity by welcoming him with shouts of "Diedrich Knickerbocker!" "Ichabod Crane!" "Rip Van Winkle!" _The Conquest of Granada_ (1829) is a thrilling narrative of the subjugation by Ferdinand and Isabella of the last kingdom of the Moors in Spain. In this account, royal leaders, chivalrous knights, single-handed conflicts, and romantic assaults make warfare seem like a carnival instead of a tragedy. The life of _Oliver Goldsmith_ (1849) ranks among the best biographies yet written by an American, not because of its originality, but for its exquisitely sympathetic portraiture of an English author with whom Irving felt close kinship. His longest work, the _Life of George Washington_ (1855-1859), lacks the imaginative enthusiasm of youth, but it does justice to "the magnificent patience, the courage to bear misconstruction, the unfailing patriotism, the practical sagacity, the level balance of judgment combined with the wisest toleration, the dignity of mind, and the lofty moral nature," which made George Washington the one man capable of leading a forlorn army in the Revolution, of presiding over the destinies of the young Republic, and of taking a sure place among the few great heroes of all time. This work is also an almost complete history of the Revolutionary War. It is unfortunate that the great length of this _Life_ (eight volumes) has resulted in such a narrowing of its circle of readers.