From this morning:

Brad says:
FYI - Lotus can only search people by their last name.  Lame.
Keyboard Jockey © says:
If you looked up lame in the dictionary, there'd be a screenshot of Lotus Notes
Brad says:
And that would be a compliment

Now the issue isn't whether it's possible to do it or not because the fact of the matter is that even if it is possible, it's so obtuse that it's difficult to figure it out without consulting a manual.