718 
Wisconsin Academy of Sciences, Arts, and Letters. 
Past Presidents. 
Honorable John W. Hoyt, M.D., LL.D., 1 Washington, D. C., 
1870-75. 
Dr. P. R. Hoy, M.D., 1 1876-78. 
President A. L. Chapin, D.D., 1 1879-81. 
Professor Ronald D. Irving, Ph.D., 1 1882-84. 
Professor Thomas C. Chamberlin, Ph.D., Sc.D., LL.D., Chicago, 
Ill., 1885-87. 
Professor William F. Allen , 2 1888-89. 
Professor Edward A. Birge, Ph.D., Sc.D., LL.D., Madison, 
1889-90. 
Librarian George W. Peckham, LL.D., Milwaukee, 1891-93. 1 
President Charles R. Van Hise, Ph.D., LL.D., Madison, 1894-96. 
Professor C. Dwight Marsh, A.M., Ph.D., Washington, D. C., 
1897-99. 
Professor Charles S. Slichter, M.S., Madison, 1900-1902. 
Dr. John J. Davis, M.D., Racine, 1903-1905. 
Professor Louis Kahlenberg, Ph.D., Madison, 1906-1909. 
President Samuel Plantz, Ph.D., D.D., LL.D., Lawrence College, 
Appleton, 1910-1912. 
Professor Dana C. Munro, A.B., A.M., Princeton, New Jersey, 
1913-1915. 
Director Henry L. Ward, Milwaukee, 1915-1918. 
President Edward A. Birge, A.B., A.M., Ph.D., Sc.D., LL.D., 
Madison, 1918-1921. 
HONORARY MEMBERS. 
Chamberlin, Thomas Chrowder, Hyde Park Hotel, Chicago, Ill. 
A.B. (Beloit) ; Ph.D. (Wisconsin. Michigan) ; LL.D. (Michigan, Beloit, 
Columbia, Wisconsin, Toronto) ; Sc.D. (Illinois, Wisconsin). Profes¬ 
sor Emeritus, Geological Department, University of Chicago, 
Consulting Geologist U. S. Geological Survey; Consulting 
Geologist, Wisconsin Natural History Survey; Geologi¬ 
cal Research Associate, Carnegie Institution of 
Washington. D. C.; Editor, Journal of Geology. 
Fairchild, Mrs, Lucius, 302 Monona Avenue, Madison, Wisconsin. 
1 Deceased. 
’Deceased December 9. 1889. Professor Birge elected to fill unexpired term. 
