Who was the Headmaster of Harry Potter's school 'Hogwarts' in Harry's time?
'Harry Potter' is a series of seven fantasy novels written by British author J. K. Rowling (Born on 31st of July,1965, in Yate, UK). The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at 'Hogwarts School of Witchcraft and Wizardry'. The main story arc concerns Harry's struggle against 'Lord Voldemort', a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic and subjugate all wizards and Muggles (non-magical people).
Professor Albus Dumbledore was the Transfiguration professor in Tom Riddle's (later Lord Voldermort) time, and Hogwarts Headmaster in Harry Potter's time. Dumbledore was the founder of the 'Order of the Phoenix'. Later he was killed by Severus Snape on Dumbledore's request.