The ability of a dog to learn from humans has often been linked to its intelligence. Using the dog breeds topic from PetBreeds and data from The Intelligence of Dogs by UBC psychology professor Stanley Coren, we found and ranked the 17 least intelligent dogs by obedience intelligence.
Decades later, in 1945, Dumbledore finally defeated the now-Dark wizard Grindelwald, who had come to possess the Elder Wand. Grindelwald's defeat made Dumbledore the master of the Elder Wand, which remained his until just before his death, when Draco used the Disarming Charm on him.
Apr 04, 2017. 1  Sir Ian McKellen has revealed why he never took on the role of Albus Dumbledore in the Harry Potter movies. 2  The 77-year-old English actor â known for playing Gandalf, another famous and bearded wizard from Lord of the Rings â said he was contacted by producers from Harry Potter to play Dumbledore, but turned down the part. His reason: Richard Harris, who played Dumbledore in the franchise before his death in 2002.