We warmly welcome a new MEDC International Guest: Visiting Professor Alexandre Rykov from Russian. Alexandre plans to stay at the MEDC in Dalian for one year as a Visiting Professor officially awarded by Chinese Academy of Sciences (CAS). Alexandre has started from this month for the joint research with us titled as "In situ Mössbauer/XAFS study on the properties and photocatalysis mechanism of iron-doped TiO2 phases". Alexandre also will give some association for organizing the ISIAME2012 conference and constructing the more active MEDC Mössbauer database. We arranged a detail introduction of Visiting Professor Alexandre Rykov in the Mössbauer Newsletter of the 3406 issue of MERDJ, please also enjoy it.