The book ""Biographical Memoir of Charles Elwood Mendenhall, 1872-1935: National Academy Sciences, Biographical Memoirs V18"" is a detailed account of the life and work of Charles Elwood Mendenhall, a renowned physicist and professor. The book is authored by J. H. Van Vleck, a fellow physicist and colleague of Mendenhall.The book provides a comprehensive overview of Mendenhall's life, from his childhood and early education to his groundbreaking research in the field of physics. It details his academic achievements and his contributions to the scientific community, including his work on the measurement of the charge of the electron and his development of the Mendenhall-Barkhausen effect.The book also offers insights into Mendenhall's personal life, including his family background, his relationships with his colleagues and students, and his interests and hobbies outside of physics. It provides a nuanced and multi-faceted portrait of a brilliant scientist and a complex individual.Overall, ""Biographical Memoir of Charles Elwood Mendenhall, 1872-1935: National Academy Sciences, Biographical Memoirs V18"" is a valuable resource for anyone interested in the history of physics and the lives of influential scientists. It offers a rich and detailed account of Mendenhall's life and legacy, and sheds light on the broader cultural and intellectual context in which he lived and worked.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.