Arsenius Jigger

Arsenius Jigger was the author of two books, Magical Drafts and Potions and The Essential Defence Against the Dark Arts.

Etymology
Arsenius may be from arsenic, a group of several very poisonous metallic elements. A jigger is a liquid measurement, often for liquor, of 1 1/2 ounces.

Appearances

 * Harry Potter and the Philosopher's Stone
 * Harry Potter and the Prisoner of Azkaban (film)

Notes and references
Arsenius Beaulitron Arsenius Bunsen Жиг Мышьякофф Arsenius Jigger