John Smith is Jan Kowal, pronunced Yan Koval. How about Featherstonehaugh, Woolfardisworthy or Wriothesley?
Mike Manson aka Michał Maciejowski, one of the few. I am in touch with his daughter, though have not heard for a while. Will check the book, if I have not that already. He did some flying prior to catering career.
Rusty Kennedy does not appear on my list, but if he changed his name, I could miss him. I have Rokosz, but I think he was not the man.