The questions
1 Who are said to be members of the 3-comma club?
2 Fenwomen, in 1973, was which publisher’s first book?
3 Geographically, what is a condominium?
4 What is acetylsalicylic acid’s more common name?
5 Who made a grammatical point with “colorless green ideas sleep furiously”?
6 In what country are the Gulenists an alleged fifth column?
7 Who studied at Xavier’s School for Gifted Youngsters?
8 What electronic musical instrument is played without any physical contact?
What links:
9 Rockies; Brewers; Mariners; Padres; Rays; Rangers; Nationals?
10 Savannah; Isla; George; Mia; Charlotte; Louis; Lena?
11 Plynlimon and the Severn, via Hereford and Chepstow?
12 The Catacombs; Wigan Casino; Twisted Wheel; the Golden Torch?
13 The Mature Age; The Waltz; Perseus And The Gorgon; Rodin?
14 God; regal; slap; emit; deliver; reed; stressed; live?
15 Aftersun; An Extra Slice; You’re Fired!; It Takes Two?
The answers
1 Billionaires (1,000,000,000).
2 Virago.
3 Territory ruled jointly by different sovereign powers.
4 Aspirin.
5 Noam Chomsky.
6 Turkey.
7 Young X-Men (in Marvel comics).
8 Theremin.
9 Current baseball teams never to win the World Series: Colorado; Milwaukee; Seattle; San Diego; Tampa Bay; Texas; Washington.
10 Queen’s great-grandchildren.
11 River Wye.
12 Celebrated Northern soul venues.
13 Sculptures by Camille Claudel.
14 Spell different words backwards: dog; lager; pals; time; reviled; deer; desserts; evil.
15 Spin-off TV shows: Love Island; Bake-Off; The Apprentice; Strictly.