The Apollo 16 crew: John Young, Ken Mattingly and Charlie Duke.

Apollo 16 Essay by Hamish Lindsay (web version)

also available as a 10MB PDF file
with thanks to Glen Nagle.

This is a 72-page file which would be ideal for printing, or viewing on a tablet. For best results, save the PDF to your device (and view with a PDF reader such as Preview on Apple), and then the links will open separately in your web browser.