Dear Colleagues, We are delighted to let you know that Professor Ross Street has been appointed to the "Chaire de la Vall=C3=A9e Poussin 2011" at the Universit= =C3=A9 catholique de Louvain (see http://www.uclouvain.be/35646.html for the history of this Chair). Ross will give a series of lectures at the UCL during the last week of Ma= y (23-28). The title of the "le=C3=A7on inaugurale" will be the following: = "From linear algebra to knot theory via categories". We are planning to organize a category theory conference on Friday 27 and Saturday 28 of May. More details concerning this event will follow. With our best wishes to all, Marino Gran, Dominique Lambert, Tim Van der Linden and Enrico Vitale [For admin and other information see: http://www.mta.ca/~cat-dist/ ]