Cryptic crossword No 3,872

Across

1. Sketch of Princess taking a pulse (7)
2. Historical flood catastrophic (2,3)
3. Counterpart of radius in a tube (4)
4. So getting Greek letter by text causes quibbles (8)
5. “On reflection, art’s for everyone getting into it” (Collected Words of the Buddha) (5)
6. Hedges of maze, initially labyrinthine, become rationale of the cryptic mathematical setter? (10)
7. I’m good, quiet and mischievous (6)
8. South American bird runs for US abandoning short log (4)
9. She gives so much, in return she takes only a part (5)
10. Red Sea port essentially an Icelandic inspiration (4)
11. Crossword mania overwhelms old fighter (8)
12. Creating pariahs in group of actors caught up in revelation of sexual orientation (10)
13. Lack of agreement in hideout (4)
14. Desperate men pant for setting star (hopefully!) (7)
15. Rip open country club’s message finally in the morning (6)

Down

1. Prosthetics Society partially indisposed (4)
2. Anglo-German Ville de Genève- metropolis linked to sickly fog and fen (4,2,4)
3. A pretty hopeless rookie attempt from the outset- boring parse- reword! (10)
4. Fashionable eponymous characters died for nothing, acquiring singular new names (10)
5. ‘Skirt wearing’ - discharge for fellow setter! (6)
6. Women only sign? (4)
7. Ocean perch if horse’s drowning (8)
8. A little drab motel coming up ‘Welcoming late arrivals’ (4)
9. Aeneas’s lover claiming student’s special toy (5)
10. After taking run, searched for water and nodded off (7)
11. Satisfies sea otters occasionally (5)
12. Credits amounts of time running inside (7)
13. Party official agreed to cycle with girl to Arkansas (8)
14. Aid denied Orcadian struggling in immature tree? (5)
15. See 24d