> Of the 677, we were unable to find 27 males and 15 females in our Internet searches (we could not confirm their identities in our contact-information database). Given our method and criteria (Table 1), however, we believe it is unlikely that we missed an individual with a truly illustrious career. ... Our reasoning was that, if someone were truly eminent, then that person should be publicly conspicuous and therefore discoverable through online searches.
And a finalist for the irony in naming things award:
> We used Publish or Perish software (Harzing, 2007) to collect information on each participant’s number of publications, number of patents, and h-index.