Who is the author of the essay on spelling ?

 There is right or wrong in pronunciation of a word.  Like - psychology. 

Its letter starts with p while this word is read as (cyclology).  Spelling error is asked in every exam.  Correct pronunciation of a word.  

When it has a correct pronunciation in a sentence and that pronunciation is suitable, then the one who pronounces it correctly is called its author.  

Spelling errors are made by experienced people in this field.  For example - Professor of English.