The Generalist by Didymus
ACROSS
1 The 1,500m race in a decathlon or the marathon at the Olympic Games, for example (4,5)
6 Region of western Asia between the Tigris and Euphrates, home to the Sumerian and Akkadian civilisations (11)
12 A manor house with adjacent lands let out to tenants (7)
13 Open-weave muslin, used in upholstery and lining (5)
14 Either of the horny front wings of beetles which cover and protect the hind wings (7)
15 Russian conductor (1931-2018) who conducted the first performances in the west of Shostakovich’s 4th and 12th Symphonies at the 1962 Edinburgh Festival (7,14)
16 TV presenter, best known for fronting Golf Night on Sky Sports (2,7)