The world of computers is large enough that expertise in one area doesn't make you connected. An immunologist doesn't necessarily know about new surgical techniques.
If he had someone who knew about Apple, or even if he searched google for 'bootable lion usb' he could have had his problem fixed in 20 minutes (disk utility to 'restore' the main .dmg from the installer onto his other USB stick)
If he had someone who knew about Apple, or even if he searched google for 'bootable lion usb' he could have had his problem fixed in 20 minutes (disk utility to 'restore' the main .dmg from the installer onto his other USB stick)