This category contains Wikipedians who attend or have attended California Institute of Technology. Articles on notable alumni are listed at Category:California Institute of Technology alumni.

To join this category, add ((User Caltech)) to your user page. This will produce the following userbox:

• If you want to add yourself to this category, but don't want the userbox, insert the following near the bottom of your user page:

[[Category:Wikipedians by alma mater: California Institute of Technology]]

• If you want to put the userbox on a page without adding it to this category, use the following code:

((User Caltech|nocat=true))