tel 25,757

[pusspuss]

2d, try right away to bring replacement stool in for author (7) t??????
10a, donald working with gold is the one making the gift (7) d?n???r
11a, a mature undisciplined sportsman perhaps (7)
15d, worm-catching satellite (5,4)e???y / ???d

[Ranjit]

10a donator
11a amateur
15d early bird

[JoolsTwo]

10a Donator

[Ranjit]

2d tolstoy

[kayakamina]

2d Tolstoy

[Lie-in King]

2d T-olsto-y - T(r)y + anag 'stool'
10a Don-at-or ('or' = gold)
11a Amatuer - anag 'a mature'
15d Early Bird (proverb & name of communications satellite)

[JoolsTwo]

2d Tolstoy

[Lie-in King]

...or even 'Amateur'...! :-)

[pusspuss]

thank you Ranjit and JimJools and kayakamina and Lie-in King