Walter Aragon

Walter Aragon was a wizard. Professor Aragon worked in the capacity of Headmaster of Hogwarts School of Witchcraft and Wizardry at some point during his life.

Lifetime
At some point in his life, Professor Aragon became the Headmaster of Hogwarts School of Witchcraft and Wizardry. He also seemed to have an interest in Care of Magical Creatures, as he authored at least one title on the subject, Newts of Bognor.

Post-Mortem
Professor Aragon died sometime before 1993. There were portraits of the professor hung at the Grand Staircase and one at the Headmaster's office in order to give advice to the current head.