ANNOUNCEMENT OF OPPPORTUNITY J. MAYO GREENBERG SCHOLARSHIP PRIZE - 2012 Leiden Observatory and the Leids Universiteitfonds have pleasure in inviting applications for the fifth J. Mayo Greenberg Scholarship Prize. The purpose of the prize is to provide an opportunity for a talented graduate (or last year master) student to carry out research and/or receive education at Leiden Observatory, University of Leiden, the Netherlands, in one or more of the fields that were of interest to Professor Greenberg. These include: * Laboratory astrophysics, * Dust in the early Universe, * Dust in the Milky Way and other galaxies, * Comet formation, * Origin of life. Although applications will be considered from the whole world, preference will be given to applicants resident in developing countries. Candidates should have sufficient educational background in the field to benefit from attendance at graduate courses or participation in the research. The Scholarship Prize supports a visit to Leiden for a duration of at least 9 months. Applications for the 2012 Prize should be received before 30 November 2011. These should include (i) a curriculum vitae, with details of relevant background, (ii) a statement containing the purpose for which the grant is requested and (iii) a motivation for the request. Applicants should arrange for 2 references to be sent under separate cover. Applications should be addressed to: Professor G.K. Miley, Chairman, Selection Committee, J. Mayo Greenberg Scholarship Prize, Sterrewacht, Postbus 9513, 2300 RA Leiden, THE NETHERLANDS Applications can also be sent via email to [log in to unmask], with the relevant documentation as attachments in MSWord, latex, pdf or postcript format. The results of the selection will be announced on or before 31 December 2011. On behalf of the Greenberg selection committee, H. Linnartz