Limnology zoologist) and Einar Naumann (a Swedish botanist) co-founded the International Society of Limnology (SIL, from Societas Internationalis Limnologiae). Forel's original definition of limnology, "the oceanography of lakes", was expanded to encompass the study of all inland waters, and influenced Benedykt Dybowski's work on Lake Baikal. Prominent early American limnologists included G. Evelyn Hutchinson, Ed Deevey, E. A. Birge, and C. Juday. Physical properties of aquatic ecosystems are determined by a combination of heat, currents, waves and other seasonal distributions of environmental conditions. The morphometry of a body of water depends on the type of feature (such as a lake, river,
A Study of History most notable is one of the fossil remnants of the Syriac Society, the Jews." That sentence has been the subject of controversy, and some reviewers have interpreted the line as antisemitic (notably after 1945). In later printings, a footnote was appended which read "Mr. Toynbee wrote this part of the book before the Nazi persecution of the Jews opened a new and terrible chapter of the story...". The subject is extensively debated with input from critics in Vol XII, "Reconsiderations", published in 1961. A Study of History A Study of History is a 12-volume universal history by the British historian