Pages which are marked with this are for people who have been mentioned in the encyclopedia, but don't have a biography yet.
If you're going ahead with writing biographies, you should see HistoryProjectProcedures or for an autobiography or an interview, HistoryProjectInterview.
This is a CategoryCategory - that means, click on the name of the page at the top, right under the banner, to get an index of all the pages marked this way.