The questions

1 What theatrical legacy did Mathew Prichard receive on his ninth birthday?
2 What conditions does the Tdap vaccine protect against?
3 The bestselling book in the US in 1981 was a guide to solving what?
4 What is selected each year at the Melodifestivalen?
5 Carpetbaggers were profiteers in the aftermath of which conflict?
6 The confectionery lokum is better known as what?
7 In 1996, which UK sport moved from a winter to a summer season?
8 Who founded the Peripatetic school of philosophy?
What links:
9 Thomas Tyers; Hester Piozzi; John Hawkins; James Boswell?
10 Admiralty Islands; New Britain; New Hanover; New Ireland?
11 Millbank, 1897; Merseyside, 1988; Cornwall, 1993; Bankside, 2000?
12 Sodium (1); carbon (2); oxygen (3); sulphur (4); tin (10)?
13 Kelpie; melusine; naiad; nixie; rusalka; selkie?
14 Igor Tudor at Spurs; Eric Ramsay at WBA; Brian Clough and Jock Stein at Leeds?
15 Made in America; -30-; Felina; Person to Person; The Iron Throne?

The answers

1 Rights to Agatha Christie’s play The Mousetrap (he was her grandson).
2 Tetanus, diphtheria and pertussis (whooping cough).
3 Rubik’s Cube.
4 Sweden’s Eurovision entry.
5 American civil war.
6 Turkish delight.
7 Rugby league.
8 Aristotle
9 Wrote biographies of Samuel Johnson (in publication order).
10 Main components of the Bismarck Archipelago in the south-west Pacific.
11 Tate gallery openings: Britain; Liverpool; St Ives; Modern.
12 Number of stable isotopes of chemical elements.
13 Water spirits in European folklore.
14 44-day football managerial tenures.
15 Final episodes of “golden age” TV series: The Sopranos; The Wire; Breaking Bad; Mad Men; Game of Thrones.