Conrad Hjalmar Nordby (1867-1900) was born at Christiania, Norway. At the age of four he was brought to New York, where he was educated in the public schools. He was graduated from the College of the City of New York in 1886. From December of that year to June, 1893, he taught in Grammar School No. 55, and in September, 1893, he was called to his Alma Mater as Tutor in English. He was promoted to the rank of Instructor in 1897, a position which he held at the time of his death. He died in St. Luke's Hospital, October 28, 1900. In October, 1894, he began his studies in the School of Philosophy of Columbia University, taking courses in Philosophy and Education under Professor Nicholas Murray Butler, and in Germanic Literatures and Germanic Philology under Professors Boyesen, William H. Carpenter and Calvin Thomas. It was under the guidance of Professor Carpenter that the present work was conceived and executed.