Signed book: An American Genius: The Life of Ernest Orlando Lawrence, Father of the Cyclotron by Ernest Childs. First edition, first printing. NY: E. P. Dutton & Co., 1968. Hardcover with dustjacket, 6.5 x 9.5, 576 pages. Signed in ink by 10 on a specially printed bookplate affixed to the inside front cover: Herbert Childs, Mary B. Lawrence, Edwin M. McMillan, Leslie R. Groves, Edward Teller, Edwin W. Pauley, John H. Lawrence, Glenn Seaborg, Harvey E. White, and Robert G. Sproul. A hint of mild sunning and light edge wear with a few small tears to jacket, otherwise fine, clean condition. R&R COA.