Guardian

[hope3fully]

10a retroaction regularly is seen among the gods 5- - a-o 2d team is up to making two appearances in london 6 -d-s-n 23d limps along having no use of left leg 6 h-b-e-

[scorpiojo]

Erato..alternate letters in clue
Edison - themed
Hobb(l)es - themed

[bibblebub]

erato
edison (one of theme)
hobbes (another of theme)

[Lie-in King]

10a Erato (Muse, Gr. myth) - regular letters of 'rEtRoAcTiOn'
2d Edison (themed) - 'side' (up) + 'on' (twice in 'lONdON'
23d Hobb(l)es (themed)

[OHCelt]

10a Erato - even letters in "retroaction"
2d Edison - "side" upwards, with "on" that appears twice in London
23d Hobbes (themed) - "hobbles" with l (left) omitted

[hope3fully]

many thanks