Who assembled XXX?
The Amazing Pudding
The Amazing Pudding was a Pink Floyd and Roger Waters fan magazine (with frequent discussion of the other band members' solo careers, including that of Syd Barrett), established by Ivor Trueman and edited and published, variously, by him (issues 1--17), Andy Mabbett (issues 2--60), Bruno MacDonald (issues 24--60), and Dave Walker (issues 13--60), for ten years (and 60 issues).
Andy Mabbett