Michelson
ALBERT ABRAHAM, scientist. Born in Strelno, Germany, in Chicago. His experiments in the determination of the velocity of light began interferential refractometer, which was ics at Annapolis and then pursued his studies in Europe, and on his return be- President of the American Physical came professor of physics at the Case Society (1901-1902) and of American the physics department, University of from universities. in 1878, and to this end he invented the Association for Advancement of Scistudies in Europe, and on his return beence (1910). Many honorary degrees Naval Academy. He taught phys- Central Division of the North American Union; bounded by Lake Superior, Lake Michigan, Lake Huron, Ohio, Indiana, area, 57,430 square miles; pop. (1890) Central Division of the North American ence (1910). Many honorary degrees MICHIGAN, a State in the North Association for Advancement of Sci- Society (1901-1902) and of American President of the American Physical