The Wizard of the Month calendar on JKR.com has changed to display the wizard for July 2007 as:
Medieval (precise dates unknown)
One of the four famous Founders of Hogwarts School of Witchcraft and Wizardry, Godric Gryffindor was the most accomplished dueller of his time, an enlightened fighter against Muggle-discrimination and the first owner of the celebrated Sorting Hat.
This is the third Hogwarts’ Founder in a row to be honoured. Can we expect the fourth, Rowena Ravenclaw, for August?