The Biographical Memoir Of Samuel Pierpont Langley, 1834-1906 (1912) is a book written by Charles Doolittle Walcott. The book provides a complete overview of the life and work of Samuel Pierpont Langley, a prominent American astronomer, physicist, and aviation pioneer. The book covers Langley's early life, education, and career as a professor of astronomy and physics at various universities. It also details his groundbreaking work in the field of aviation, including his development of the first successful piloted heavier-than-air flying machine. The book also explores Langley's personal life, including his relationships with his family, colleagues, and friends. The author draws on a variety of sources, including Langley's personal papers and letters, to provide a detailed and insightful portrait of this important figure in American science and technology. Overall, the Biographical Memoir Of Samuel Pierpont Langley, 1834-1906 (1912) is a valuable resource for anyone interested in the history of science, aviation, or American intellectual life in the late 19th and early 20th centuries.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.