Professor C. Gross, h '01 and Professor C.H. Haskins, h '08, both of the History Department, will sail for Europe today on a six months' leave of absence. They will spend the spring in Spain, Sicily, and southern Italy, making Palermo their principal stopping place. Professor Haskins will investigate the influence of the Normans in Sicily by research work among old historical manuscripts. During the summer Dr. Gross will pass several months in London. Both will return to Cambridge early in September.