Alchemist Mallory

Alchemist Mallory is a level 36 artisan alchemy trainer located in a house in the hills due east of the Stormwind gates in the human starting zone of Elwynn Forest.

See List of Elwynn Forest NPCs.

Maloriak?
It's possible that the Alchemist Mallory is the alchemist used to fused with the corpse of a dragonspawn creating Maloriak. However, the names are spelled two different ways, and this Mallory can still be found in Elywnn Forest.