In the April 1 issue,1 I discussed new gratis features that are now accessible from the Institute for Scientific Information: highly cited authors at and the editorial sections of Essential Science Indicators at,, and As I wrote then, I founded ISI in 1954, but I am no longer a shareholder, although I retain an office and the title of chairman emeritus.

Essential Science Indicators and its editorial features such as Fast-Breaking Papers (in represent an expansion of similar past endeavors well known to long-time readers of Current Contents or The Scientist. My essays, containing descriptions of these efforts, appeared regularly in Current Contents. These essays and all my other publications over a 45-year period can be accessed free at

It was not obvious in the early days of ISI that the Science Citation Index could be...

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