Considered one of the best-ever wandmakers, Garrick Ollivander owned the wand shop on Diagon Alley, his family business Ollivanders. It was here that Hogwarts students bought their first wands and where Harry found his, an unusual holly wood and phoenix feather. Ollivander's expertise on wands meant he was valuable to Lord Voldemort, particularly when it came to understanding the true power of the Elder Wand