5  Weighing and preparing fish (7)

 9  Scot's porridge not exactly sober (5)

10 Lead Z to weighty criminal (6-3)

11 Vessel within organs for reproduction in laboratory glassware (4,5)

12 Indomitable, second socialist sails away in mutiny (5)

13/19         Influential figure left in spiritual cause and effect right times (4,4)

15 Religious education gives rise to transmigrations of the soul (8)

18 Glistens held in flesh, immersed (8)

19 See 13

22 Rogue made number of posters? (5)

24 Irritable bites: turn that frown upside-down?! (9)

26 Cynic frustratingly misses tip (9)

27 Tedium of evenly leaning unit (5)

28 Shape of fighting ring two months later? (7)

29 Beak's podium (7)

 1  Central theorist traces revolutions (6)

 2  Chinese philosopher cut short by every Irish leader (9)

 3  Vote for leaderless elite (5)

 4  Past carried oppressed (9)

 5  Vocal volume expresses tiredness (5)

 6  Ruminates about convalescent plasma medicine (9)

 7  Starting with elements of Lenin, Trotsky (5)

 8  Bellyache first signs of gut rot - "that hurts!" (6)

14 Regretting mishandled alignment (9)

16 Splash flour and water around, eating some pancakes first (9)

17 Whaler's instrument, one in gold (9)

20 Wasted shot (6)

21 Element found in limitless cosmic dump (6)

23 Add up 99 notes (5)

24 Affect feeling, distant, without alternative (5)

25 Rests scruffy hair (5)