The Microscopy Listserver is a network based discussion forum giving members of the scientific community a centralized Internet address to which questions/comments/answers in the various fields of Microscopy or Microanalysis can be rapidly distributed to a list of (subscribed) individuals by electronic mail. There are in excess of 3000 subscribers to the Microscopy Listserver from over 40 countries on 6 continents, who participate in this system on a daily basis. Messages are posted and circulated daily on a variety of topics. The Listserver was founded by Nestor J. Zaluzec who continues to host and operate the service for the scientific community, the Listserver is co-sponsored in part by the Microscopy Society of America.