My knowledge of alchemy is vast.  It is, however, general in nature.  If you wish to specialize, you will have to find others who have narrower fields of study.$B$BIf you wish to specialize in transmutation, I would recommend that you seek the help of the ethereal known as Zarevhi.  He resides in the Stormspire in Netherstorm.$B$BHis mastery of transmutation is... well, outlandish!  See what you can learn from him, but beware - ethereals drive a hard bargain.