OQ #55:1. He worked at Guinness Breweries and started the Guinness Book of World Records.
cracked by Tolstoy, Asok and Ameya.
2. Sivappu Mazhai, produced by and starring Suresh Joachim. The movie holds the Guinness Record for being completed in the shortest time (11 days, 23 hours, 45 minutes).
comprehensively cracked by Ameya, part points to Asok.
3. Rowling wrote the first Harry Potter novel here.
cracked by all who attempted.