The questions
1 Which actor had a dog called Archie Leach?
2 Which hormone can be administered to induce childbirth?
3 Who is the only English Doctor of the Catholic church?
4 Which Carlo Goldoni comedy was updated by Richard Bean?
5 What mathematical operation is represented by an obelus?
6 The Icelandic dish hákarl consists of what?
7 Which company launched products at the Yerba Buena Center for the Arts?
8 Which Asian head of state lives in the Blue House?
What links:
9 Mediolanum and Ravenna; Nicomedia and Constantinople?
10 Elizabeth Taylor; Lady Jane Grey; Enid Blyton; the future Queen Mother?
11 Shambles; Clifford’s Tower; Micklegate Bar; Merchant Adventurers’ Hall?
12 Hill (1962, 1968 and 1996); Rosberg (1982 and 2016)?
13 Common Sense; The American Crisis; Rights Of Man; The Age Of Reason?
14 Samurai uprising of 1877; Mrs Churchill; standard Chinese; Dundee United?
15 Limpet Apology (traffic tenses); Night-blooming genera; Brood and Bitter Pass?
The answers
1 Cary Grant.
2 Oxytocin.
3 Bede.
4 The Servant Of Two Masters (One Man, Two Guvnors).
5 Division (÷).
6 Rotten/fermented shark.
7 Apple.
8 President of South Korea.
9 Capitals of the Roman Empire: eastern and western (other than Rome).
10 Screen roles of Helena Bonham Carter.
11 Medieval attractions in York.
12 Father and son Formula One titles: Graham and Damon; Keke and Nico.
13 Works by Thomas Paine.
14 Orange-like fruit: Satsuma Rebellion; Clementine; Mandarin; the Tangerines.
15 Works by Turner prize winner Helen Marten.