Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Floyd Karker Richtmyer (1881 1939) was a physicist and educator in the United States. Richtmyer was born October 12, 1881, in the rural community of Cobleskill, New York. He studied with Perley Nutting at Cornell University; both were students of Edward L. Nichols. Richtmyer graduated with his A.B. in 1904 and Ph.D. in 1910. He taught physics at Drexel University, but returned to Cornell as instructor in 1906, where he remained for the duration of his career.