###How to Find Topics Started by a Specific Person
I have been wanting to do this for a long time now, and just figured it out.
Do a KM Forum Search with:
(members name is case insensitive)
The "in:first" filter evidently means to find in the first post of a topic, which would mean that that member created the topic.
Here's the use case I've really wanted: Find/List all of my macros:
@jmichaeltx #macro in:first
For other Search filters, click on the "Options" link in the Search dropdown: