University of Texas Austin - Cactus Yearbook (Austin, TX)

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gree of Doctor of Philosophy, and then lectured for some time on logic and mathematics in the Johns-Hopkins. In 1879, he was called to Princeton, where he was appointed Instructor in Post-Graduate Mathematics, and taught quaternions, determinants, etc. In 1884, Dr. Halsted was appointed Professor of Pure and Ap- plied Mathematics in the University of Texas. Since this time he has been engaged in arduous work and has contributed many important articles to numerous scientific journals. Among these may be mentioned, Boole ' s Logical Method, Statement and Re- duction of Syllogism in ihQ Journal of Speculative Philosophy, and the Bibliography of Hyper-Space a7id No7i- Euclidian Geometry in the America i Journal of Matheinatics . But the most important labors of our professor are his text- books and scientific treatises. In 1885 appeared his Metrical Geometry. The book is especially cited in the last edition of the Kncyclopsedia Britannica, and the article, Mensuration borrows largely from his book on that subject. It has already been adopted as a text-book in several colleges, and an English edition has been issued by MacMillan and Company. In 1885 he published his ' ' Elements of Geometry. In 1892, appeared the Elementary Synthetic Geometry, the first book to reach its results without making any use of of congruent triangles. In addition to these works we must mention his Non-Euclidian Geometry, the first English translation of the work of Nicholaus Lobatschewsky; The Science Absolute of Space, the first English translation of the work of John Bolyai, and his Num- ber, Discrete and Continuous, an Exposition of the Origin and Growth of the Number C oncepts. Dr. Halsted has now ready for the press Pure Projective Geometry, which is followed by a treatise on Projective Metrics. ALEXANDER MACFARLANE. Dr. Macfarlane was educated at the University of Edinburgh, Scotland, where he obtained the degree of M. A., with highest honors in mathematics and physics, in 1875; B. Sc. in 1877, and D. Sc. in 1878. While a student he won, by competitive exam- inations in Greek, I atin, mathematics and physics, prizes and

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KDGAR EVERHART. The subject of this sketch was born April 8, 1854, in Stokes county, North Carolina. He was educated at Richmond, Va., Baltimore, Md., and Racine, Wis., at which latter place he re- ceived the Master ' s Degree. He then attended the School of Mines of New York city. After remaining there for some years, he went to Germany and attended lectures at the Universities of Wiesbaden and Freiburg. After receiving the degree of Doctor of Philosophy from the University of Freiburg, Dr. Bverhart re- turned to America, and taught Chemistry and the allied branches for five years in the Stevenson Institute, Hoboken, New York. He came to the University of Texas in 1884, where he has, for the last ten years, been Professor of Chemistry. The splendid chemical laboratory will always remain a monument to his untir- ing efforts to make the School of Chemistry what it is, the best in the South. Doctor Everhart has written many articles for American scien- tific journals that have attracted wide attention, and he has been elected a member of the German Chemical Society, the American Chemical Society, and American Society for the Advancement of Science. GEPRGE BRUCE HAI TED. The subject of this sketch was born in the State of New York. In 1875 he received the degree of Bachelor of Arts at Princeton. While at that institution, Dr. Halsted ranked high in all his classes, but especially did he distinguish himself in mathematics. On graduation, he won the fellowship in the above mentioned branch, besides gaining the intercollegiate prize. He next repaired to the School of Mines of New York City, where he devoted himself to mathematics and the natural sci- ences. Prof. Halsted next spent several years at the University of Berlin, Germany. Then followed his appointment as Fellow in Mathematics at the Johns-Hopkins University, Baltimore, where he studied two years, enjoying, at the same time, the instruction of that eminent mathematician, J. J. Sylvester, now professor in the University of Oxford. In 1879, Dr. Halsted received the de-

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scholarships worth upwards of $3000. After graduating as Doc- tor of Science, he was appointed the University Examiner for Degrees in the department of Mathematics and Physics, which position he held until called to the University of Texas. His doctor ' s thesis was On the Disruptive Discharge of Electricity, which, together with subsequent researches on the same subject, were published by the Royal Society of Edinburgh. These pa- pers contained important discoveries which have been verified by subsequent experimenters. On account of these researches, he was, at a very early age, elected a Fellow of the Royal So- ciety of Edinburgh. While examiner, he published a book entitled Principles of the Algebra of Logic, and a number of papers on the Analysis of Re- lationship; these now form an integral part of the modern math- ematical logic. Just before coming to the University of Texas, he published his Physical Arithmetic, and since then Eleme7itary Mathematical Tables. He received the degree of EL. D. from the University of Michigan in 1887, on the occasion of their semi- centennial. Recently, he has published six memoirs on mathe- matical physics, and has read before scientific bodies three others which are not yet published. These papers have been discussed in the leading scientific journals of America; and they have al- ready taken their place in the history of analysis. A set of wire models, made to illustrate this subject, was exhibited at the World ' s Fair, and received a medal and diploma for their orig- inality and ingenuity. He is a member of the American Institute of Electrical Engin- eers, and has contributed several papers to their Trajisactions. He is the Honorary Secretary of the Texas Academy of Science, and was recently elected a corresponding member of the Sociedad Scie7itijic Antonio Alzate ' of Mexico. GEORGE P. GARRISON. Professor George P. Garrison, who so ably fills the chair of History in the University of Texas, was born forty-one years ago. His long college career began at Sewanee College, Win- chester, Tennessee, and after spending four years there and at the Carroll Masonic Institute, Carrollton, Georgia, he pursued a