William Elwood Byerly

William Elwood Byerly (13 December 1849 – 20 December 1935) was an American mathematician at Harvard University where he was the "Perkins Professor of Mathematics". He was noted for his excellent teaching and textbooks. Byerly was the first to receive a Ph.D. from Harvard, and Harvard's chair "William Elwood Byerly Professor in Mathematics" is named after him. Byerly Hall in Radcliffe Yard, Radcliffe Institute for Advanced Study, Harvard University is also named for him.