To find a person's WikiTree ID, open his or her profile, and look at the end of the URL.
To go the opposite way, please see FAQ #1
Thanks, Peggy. The real payoff is when other members link to it!
And the BONUS: When an a link to the FAQ is sent to Answer one question, there's a good chance whoever asked the question will be interested in other topics on the FAQ. (I'm sure you realized that when you drafted the document.)
Yvonne, Forgive us for having a side discussion here. Herbert recently drafted the FAQ document, and we're glad to be able to provide it, especially newer members.