We are glad to inform you that the 23rd number of the ISSI Newsletter has come out.

Content:

• Editorial
• News: Ton van Raan retires as director of CWTS – a memo by Cornelis van Bochove
• Conference report: The 11th Science and Technology Indicators Conference, Leiden
• Event report: Review of the inaugurational European Summer School for Scientometrics, Berlin
• Ronald Rousseau: Ci-speed: a Hirschtype Citation Speed Index for a Set of Articles
• Research in focus: Wolfgang Glänzel & Lin Zhang: A Demographic Look at Scientometric Characteristics of a Scientist’s Career