Professor Ludwig Hektoen,
Vice-president for the Section of Physiology and Experimental Medicine.
SCIENTIFIC MEN AT THE MEETINGS OF THE AMERICAN ASSOCIATION
It is one of the pleasures of attending a large meeting of scientific men to see the leaders of science and to personify work with which we are familiar by associating it with the face and presence of its authors. A lesser but still legitimate satisfaction is found in seeing their portraits, and we have regarded it as desirable to present to readers of the Monthly photographs of the officers of the American Association with whom they would like to be acquainted. In the last issue of the Monthly there was a portrait of the president, Professor Chamberlin, who, like Professor Michelson, gives distinction to the University of Chicago, and deserves a second Nobel prize, were there one established in geology. We give now a plate showing five presidents of the association and the chairman of the local committee. On the right is the president of the Chicago meeting. Professor E. L. Nichols, of Cornell University, eminent for his work in optics and electricity and honored for his services to education and scientific organization. Next is Dr. W. H. Welch, of the Johns Hopkins University, the retiring president, the leader among our pathologists both in research and medical instruction. 
Professor E. B. Wilson,
Vice-president of the Section of Zoology. Adjacent is Dr. E. W. Morley, who has recently retired from his chair at the Western Reserve University, equally distinguished as a physicist and as a chemist, the recipient of the Davy medal from the Royal Society at the same time that Dr. Michelson received the Copley medal. To the left is Dr. R. S. Woodward, the author of valuable researches in mathematical physics, as president of the Carnegie Institution occupying the most important executive scientific position in the world. By him is Dr. C. M. Woodward, of Washington University, known both as an engineer and as a leader in educational work, especially in the introduction of manual training. The remaining portrait is of Dr. John M. Coulter, head of the Department of Botany at Chicago and one of those who have given the university in the
