or·tho·e·pist 
(ôr-thōə-pĭst, ôrthō-ĕp′ĭst)
(ôr-thōə-pĭst, ôrthō-ĕp′ĭst)n.
A specialist in orthoepy, especially one of a number of scholars of the 1500s and 1600s who proposed reforms of English spelling so that it would more systematically reflect pronunciation.