I could have excused myself for not being an active visitor to the birthday celebrations and coffee breaks held in our kitchen, but for now, do allow me to express my sincere regrets that I did not often make it to appear to share those happy moments with my colleagues.Life here would have been a less comfortable one, had the German natives and Bavarian locals been not as helpful and candid.Our technical staff has been a strong support to all students in this group.I am thankful to all of them: Xaver Hecht for building the new (and current) parallel reactor system and carrying out the BET and chemisorption measurements; Martin Neukamm for conducting the AAS measurement and giving suggestions on the handling and disposal of chemicals; Andreas Marx for tackling problems of electronics and computers and for saving my USB stick (and my ass!).Our former and current secretaries,