Yale University - Sheffield Scientific School Yearbook (New Haven, CT)

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PROFESSOR CALLENDER

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AUGUsTUs JAY DUBOIS Died October 19, 1915 Augustus Jay DuBois Was born April 25, 1849, was graduated from the Sheffield Scientific School in 1869, was awarded the degree of Civil Engineer in 1870 and the degree of Doctor of Philosophy in 1873. Later he studied mechanics for two years at the Mining Academy in Freiburg, Saxony, and from 1875 to 1877, he Was professor of civil engineering and mechanical engineering at Lehigh University. In 1877 Professor DuBois was appointed professor of mechan- ical engineering in the Sheffield Scientinc School and in 1884 was transferred to the professorship of civil engineering. Thus for thirty-eight years he Was a member of the faculty of the Sheffield Scientific School and of its Governing Board, a length of service not exceeded by any member novv actively engaged in teaching. Professor DuBois was the author of some of the best-known treatises on mechanics and stresses in the English language. His book on Graphic Statics, published in 18-76, was largely instrumental in introducing to American engineers the graphic method of determining stresses 'in framed structures now so Widely used. This Was followed by his translations of several important German treatises in different branches of mechanics and later by his own elaborate and original book on Strains in Framed Structures C1883j, perhaps the first comprehensive treatment of the subject in English, and a book that took its place at once as one of the most important contributions to engineering literature. A series of books on mechanics cul- minated in his Mechanics of Engineering published in 1901 as one of the series of volumes issued in connection with the Bicentennial Anniversary of the founding of Yale University. In addition to technical treatises, Professor DuBois contributed many essays to current periodicals, the last of which on The Religion of a Civil Engineer appeared in the Yale Review issued in July, 1913. These essays Were marked by a style beautifully clear and forceful and by a logic so perfect that, granting his major premises, one was led almost irresistibly to his conclusions.

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GUY STEVENS CALLENDER Died August 8, 1915 The sudden death of Professor Guy Stevens Callender last summer removed from the faculty of the Sheffield Scientiic School a scholar of recognized ability and a man of strong per- sonality. By the members of the successive Senior classes of the Select Course to whom he taught the principles of economics and modern government he will be remembered for the high standard of accomplishment upon which he insisted, and for his untiring efforts to bring every student up to that standard. His life is a record of untiring efforts, often in the face of great obstacles, Hrst to obtain an education and then to make himself the master of a certain field of knowledge. Born in 1865 on a farm in a small Ohio town, the ninth of ten children, he early acquired habits of industry and an ability to bear respon- sibility. In order to get the education for which he longed, he was Willing to work his way through Oberlin College. The eagerness to learn more thoroughly the subjects which had inter- ested him in his undergraduate work led him to enter, the Graduate School at Harvard in 1893. There he devoted himself with characteristic energy to the study of the social sciences and especially to the subject of the economic history of the United States. In 1897 he received the degree of Doctor of Philosophy and three years later was appointed professor of political economy in Bowdoin College. From there he came to Yale in 1903. Professor Callender's principal published work, the work which established his position as the leading authority in the field, was his Selections from the Economic History of the lfnited States, published in 1909. The Select Course is particularly indebted to Professor Cal- lender for his services as chairman of the committee which reorganized the work of the course, establishing it in its present position in the School, and also for the directing influence which he exerted in the formulation of the curriculum of the Graduate Year in Business Administration. No man could wish for a higher tribute of appreciation than was paid to Professor Callender in the columns of the Alumni