The European-Winter School on Physical Organic 91AV (E-WiSPOC), at its seventh edition, constitutes an unique opportunity to gain expertise in the field of Organic 91AV. If you are interested in WHY and not only HOW chemical reactions proceed you MUST attend this School. If you consider Physical Organic 91AV an obsolete discipline you are wrong: it is more alive than ever! The topic of the 2014 edition is Physical Organic 91AV of Complex Systems.